forked from OSchip/llvm-project
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class UIntType, size_t w, size_t s, size_t r>
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// class subtract_with_carry_engine
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// {
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// public:
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// // types
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// typedef UIntType result_type;
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//
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// // engine characteristics
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// static constexpr size_t word_size = w;
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// static constexpr size_t short_lag = s;
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// static constexpr size_t long_lag = r;
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// static constexpr result_type min() { return 0; }
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// static constexpr result_type max() { return m-1; }
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// static constexpr result_type default_seed = 19780503u;
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#include <random>
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#include <type_traits>
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#include <cassert>
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template <class _Tp>
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void where(const _Tp &) {}
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void
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test1()
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{
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typedef std::ranlux24_base E;
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static_assert((E::word_size == 24), "");
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static_assert((E::short_lag == 10), "");
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static_assert((E::long_lag == 24), "");
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/*static_*/assert((E::min() == 0)/*, ""*/);
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/*static_*/assert((E::max() == 0xFFFFFF)/*, ""*/);
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static_assert((E::default_seed == 19780503u), "");
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where(E::word_size);
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where(E::short_lag);
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where(E::long_lag);
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where(E::default_seed);
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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_base E;
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static_assert((E::word_size == 48), "");
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static_assert((E::short_lag == 5), "");
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static_assert((E::long_lag == 12), "");
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/*static_*/assert((E::min() == 0)/*, ""*/);
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/*static_*/assert((E::max() == 0xFFFFFFFFFFFFull)/*, ""*/);
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static_assert((E::default_seed == 19780503u), "");
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where(E::word_size);
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where(E::short_lag);
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where(E::long_lag);
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where(E::default_seed);
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}
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int main()
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{
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test1();
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test2();
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}
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