//===----------------------------------------------------------------------===// // // 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> template <class _Tp> void where(const _Tp &) {} 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), ""); where(E::word_size); where(E::short_lag); where(E::long_lag); where(E::default_seed); } 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), ""); where(E::word_size); where(E::short_lag); where(E::long_lag); where(E::default_seed); } int main() { test1(); test2(); }