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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class Engine, size_t p, size_t r>
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// class discard_block_engine
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// {
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// public:
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// // types
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// typedef typename Engine::result_type result_type;
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//
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// // engine characteristics
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// static constexpr size_t block_size = p;
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// static constexpr size_t used_block = r;
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// static constexpr result_type min() { return Engine::min(); }
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// static constexpr result_type max() { return Engine::max(); }
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#include <random>
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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template <class T>
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void where(const T &) {}
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void
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test1()
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{
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typedef std::ranlux24 E;
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static_assert((E::block_size == 223), "");
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static_assert((E::used_block == 23), "");
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#if TEST_STD_VER >= 11
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static_assert((E::min() == 0), "");
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static_assert((E::max() == 0xFFFFFF), "");
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#else
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assert((E::min() == 0));
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assert((E::max() == 0xFFFFFF));
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#endif
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where(E::block_size);
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where(E::used_block);
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}
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void
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test2()
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{
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typedef std::ranlux48 E;
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static_assert((E::block_size == 389), "");
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static_assert((E::used_block == 11), "");
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#if TEST_STD_VER >= 11
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static_assert((E::min() == 0), "");
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static_assert((E::max() == 0xFFFFFFFFFFFFull), "");
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#else
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assert((E::min() == 0));
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assert((E::max() == 0xFFFFFFFFFFFFull));
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#endif
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where(E::block_size);
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where(E::used_block);
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}
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int main(int, char**)
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{
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test1();
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test2();
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return 0;
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}
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