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 // class random_device; 13 14 // double entropy() const; 15 16 #include <random> 17 #include <cassert> 18 19 int main() 20 { 21 std::random_device r; 22 double e = r.entropy(); 23 } 24