libstdc++-v3/testsuite/ext/random/normal_mv_distribution/operators/serialize.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
   5 // 2012-09-04  Ulrich Drepper  <drepper@gmail.com>
   6 //
   7 // Copyright (C) 2012-2020 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 #include <ext/random>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   std::stringstream str;
  32   __gnu_cxx::normal_mv_distribution<2,double> u({1.0, 5.0}, {2.0, 4.0}), v;
  33   std::minstd_rand0 rng;
  34
  35   u(rng); // advance
  36   str << u;
  37
  38   str >> v;
  39   VERIFY( u == v );
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return 0;
  46 }