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 w, class UIntType> 13// class independent_bits_engine 14// { 15// public: 16// // types 17// typedef UIntType result_type; 18// 19// // engine characteristics 20// static constexpr result_type min() { return 0; } 21// static constexpr result_type max() { return 2^w - 1; } 22 23#include <random> 24#include <type_traits> 25#include <cassert> 26 27#include "test_macros.h" 28 29void 30test1() 31{ 32 typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E; 33#if TEST_STD_VER >= 11 34 static_assert((E::min() == 0), ""); 35 static_assert((E::max() == 0xFFFFFFFF), ""); 36#else 37 assert((E::min() == 0)); 38 assert((E::max() == 0xFFFFFFFF)); 39#endif 40} 41 42void 43test2() 44{ 45 typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E; 46#if TEST_STD_VER >= 11 47 static_assert((E::min() == 0), ""); 48 static_assert((E::max() == 0xFFFFFFFFFFFFFFFFull), ""); 49#else 50 assert((E::min() == 0)); 51 assert((E::max() == 0xFFFFFFFFFFFFFFFFull)); 52#endif 53} 54 55int main() 56{ 57 test1(); 58 test2(); 59} 60