cxx/test/numerics/rand/rand.adapt/rand.adapt.disc/values.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

54 lines
1.4 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 Engine, size_t p, size_t r>
// class discard_block_engine
// {
// public:
// // types
// typedef typename Engine::result_type result_type;
//
// // engine characteristics
// static constexpr size_t block_size = p;
// static constexpr size_t used_block = r;
// static constexpr result_type min() { return Engine::min(); }
// static constexpr result_type max() { return Engine::max(); }
#include <random>
#include <type_traits>
#include <cassert>
void
test1()
{
typedef std::ranlux24 E;
static_assert((E::block_size == 223), "");
static_assert((E::used_block == 23), "");
/*static_*/assert((E::min() == 0)/*, ""*/);
/*static_*/assert((E::max() == 0xFFFFFF)/*, ""*/);
}
void
test2()
{
typedef std::ranlux48 E;
static_assert((E::block_size == 389), "");
static_assert((E::used_block == 11), "");
/*static_*/assert((E::min() == 0)/*, ""*/);
/*static_*/assert((E::max() == 0xFFFFFFFFFFFFull)/*, ""*/);
}
int main()
{
test1();
test2();
}