1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <random> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class UIntType, UIntType a, UIntType c, UIntType m> 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class linear_congruential_engine; 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void discard(unsigned long long z); 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <random> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class T> 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantrand0() 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::linear_congruential_engine<T, 16807, 0, 2147483647> E; 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant E e; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e.discard(9999); 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e() == 1043618065); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class T> 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantrand() 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::linear_congruential_engine<T, 48271, 0, 2147483647> E; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant E e; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e.discard(9999); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e() == 399268537); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class T> 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantother() 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::linear_congruential_engine<T, 48271, 123465789, 2147483647> E; 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant E e1; 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant E e2; 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e1 == e2); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e1.discard(1); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e1 != e2); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e2(); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e1 == e2); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e1.discard(3); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e1 != e2); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e2(); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e2(); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant e2(); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(e1 == e2); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand0<unsigned int>(); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand0<unsigned long>(); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand0<unsigned long long>(); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand<unsigned int>(); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand<unsigned long>(); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant rand<unsigned long long>(); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant other<unsigned int>(); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant other<unsigned long>(); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant other<unsigned long long>(); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 74