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 poisson_distribution 14 15 // explicit poisson_distribution(RealType lambda = 1.0); 16 17 #include <random> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 typedef std::poisson_distribution<> D; 24 D d; 25 assert(d.mean() == 1); 26 } 27 { 28 typedef std::poisson_distribution<> D; 29 D d(3.5); 30 assert(d.mean() == 3.5); 31 } 32 } 33