libstdc++-v3/testsuite/26_numerics/random/independent_bits_engine/cons/copy.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2010-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
   5 //
   6 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <random>
  24
  25 void
  26 test01()
  27 {
  28   std::independent_bits_engine
  29     <
  30       std::subtract_with_carry_engine<uint_fast64_t, 48, 5, 12>,
  31       48,
  32       uint_fast64_t
  33     > e(1);
  34
  35   const auto f(e);
  36   auto g(f);
  37   g = g; // Suppress unused warning.
  38 }
  39
  40 int main()
  41 {
  42   test01();
  43   return 0;
  44 }