cxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.poisson/io.pass.cpp
Howard Hinnant 4ff556cf62 [rand.dist.pois.poisson]
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-14 21:38:54 +00:00

42 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class IntType = int>
// class poisson_distribution
// template <class CharT, class Traits, class IntType>
// basic_ostream<CharT, Traits>&
// operator<<(basic_ostream<CharT, Traits>& os,
// const poisson_distribution<RealType>& x);
// template <class CharT, class Traits, class IntType>
// basic_istream<CharT, Traits>&
// operator>>(basic_istream<CharT, Traits>& is,
// poisson_distribution<RealType>& x);
#include <random>
#include <sstream>
#include <cassert>
int main()
{
{
typedef std::poisson_distribution<> D;
D d1(7);
std::ostringstream os;
os << d1;
std::istringstream is(os.str());
D d2;
is >> d2;
assert(d1 == d2);
}
}