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 UIntType, size_t w, size_t n, size_t m, size_t r, 13 // UIntType a, size_t u, UIntType d, size_t s, 14 // UIntType b, size_t t, UIntType c, size_t l, UIntType f> 15 // class mersenne_twister_engine; 16 17 // void discard(unsigned long long z); 18 19 #include <random> 20 #include <sstream> 21 #include <cassert> 22 23 void 24 test1() 25 { 26 std::mt19937 e1; 27 std::mt19937 e2 = e1; 28 assert(e1 == e2); 29 e1.discard(3); 30 assert(e1 != e2); 31 e2(); 32 e2(); 33 e2(); 34 assert(e1 == e2); 35 } 36 37 void 38 test2() 39 { 40 std::mt19937_64 e1; 41 std::mt19937_64 e2 = e1; 42 assert(e1 == e2); 43 e1.discard(3); 44 assert(e1 != e2); 45 e2(); 46 e2(); 47 e2(); 48 assert(e1 == e2); 49 } 50 51 int main() 52 { 53 test1(); 54 test2(); 55 } 56