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 IntType = int> 13 // class discrete_distribution 14 15 // template <class charT, class traits> 16 // basic_ostream<charT, traits>& 17 // operator<<(basic_ostream<charT, traits>& os, 18 // const discrete_distribution& x); 19 // 20 // template <class charT, class traits> 21 // basic_istream<charT, traits>& 22 // operator>>(basic_istream<charT, traits>& is, 23 // discrete_distribution& x); 24 25 #include <random> 26 #include <sstream> 27 #include <cassert> 28 29 int main() 30 { 31 { 32 typedef std::discrete_distribution<> D; 33 double p0[] = {.3, .1, .6}; 34 D d1(p0, p0+3); 35 std::ostringstream os; 36 os << d1; 37 std::istringstream is(os.str()); 38 D d2; 39 is >> d2; 40 assert(d1 == d2); 41 } 42 } 43
