1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <random> 11 12 // template<class Engine, size_t p, size_t r> 13 // class discard_block_engine 14 // { 15 // public: 16 // // types 17 // typedef typename Engine::result_type result_type; 18 // 19 // // engine characteristics 20 // static constexpr size_t block_size = p; 21 // static constexpr size_t used_block = r; 22 // static constexpr result_type min() { return Engine::min(); } 23 // static constexpr result_type max() { return Engine::max(); } 24 25 #include <random> 26 #include <type_traits> 27 #include <cassert> 28 29 template <class _Tp> 30 void where(const _Tp &) {} 31 32 void 33 test1() 34 { 35 typedef std::ranlux24 E; 36 static_assert((E::block_size == 223), ""); 37 static_assert((E::used_block == 23), ""); 38 /*static_*/assert((E::min() == 0)/*, ""*/); 39 /*static_*/assert((E::max() == 0xFFFFFF)/*, ""*/); 40 where(E::block_size); 41 where(E::used_block); 42 } 43 44 void 45 test2() 46 { 47 typedef std::ranlux48 E; 48 static_assert((E::block_size == 389), ""); 49 static_assert((E::used_block == 11), ""); 50 /*static_*/assert((E::min() == 0)/*, ""*/); 51 /*static_*/assert((E::max() == 0xFFFFFFFFFFFFull)/*, ""*/); 52 where(E::block_size); 53 where(E::used_block); 54 } 55 56 int main() 57 { 58 test1(); 59 test2(); 60 } 61
