libstdc++-v3/testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/copy.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 // { dg-require-little-endian "" }
   4 //
   5 // 2010-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
   6 // 2012-08-28  Ulrich Drepper  <drepper@gmail.com>, adapted for SFMT
   7 //
   8 // Copyright (C) 2010-2021 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15 //
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 #include <ext/random>
  26
  27 void
  28 test01()
  29 {
  30   typedef uint32_t value_type;
  31
  32   __gnu_cxx::simd_fast_mersenne_twister_engine<value_type, 607, 2,
  33                                                15, 3, 13, 3,
  34                                                0xfdff37ffU, 0xef7f3f7dU,
  35                                                0xff777b7dU, 0x7ff7fb2fU,
  36                                                0x00000001U, 0x00000000U,
  37                                                0x00000000U, 0x5986f054U> e(1);
  38
  39   const auto f(e);
  40   auto g(f);
  41   g = g; // Suppress unused warning.
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }