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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 26_numerics / random / discrete_distribution / operators / serialize.cc

// { dg-do run { target c++11 } }
// { dg-require-cstdint "" }
//
// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
//
// Copyright (C) 2009-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 26.4.8.5.1 Class template discrete_distribution [rand.dist.samp.discrete]
// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]

#include <random>
#include <sstream>

void
test01()
{
  std::stringstream str;
  std::vector<double> wt = {0.5, 1.0, 2.5, 1.5, 0.5};
  std::discrete_distribution<int> u(wt.begin(), wt.end()), v;
  std::minstd_rand0 rng;

  u(rng); // advance
  str << u;

  str >> v;
}

int main()
{
  test01();
  return 0;
}