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 31int 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