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, UIntType a, UIntType c, UIntType m> 13 // class linear_congruential_engine; 14 15 // template <class charT, class traits, 16 // class UIntType, UIntType a, UIntType c, UIntType m> 17 // basic_ostream<charT, traits>& 18 // operator<<(basic_ostream<charT, traits>& os, 19 // const linear_congruential_engine<UIntType, a, c, m>& x); 20 // 21 // template <class charT, class traits, 22 // class UIntType, UIntType a, UIntType c, UIntType m> 23 // basic_istream<charT, traits>& 24 // operator>>(basic_istream<charT, traits>& is, 25 // linear_congruential_engine<UIntType, a, c, m>& x); 26 27 #include <random> 28 #include <sstream> 29 #include <cassert> 30 31 int main() 32 { 33 { 34 typedef std::linear_congruential_engine<unsigned, 48271, 0, 2147483647> E; 35 E e1; 36 e1.discard(100); 37 std::ostringstream os; 38 os << e1; 39 std::istringstream is(os.str()); 40 E e2; 41 is >> e2; 42 assert(e1 == e2); 43 } 44 } 45
