libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/requirements/constants.cc

   1 // { dg-do link }
   2 // { dg-options "-std=gnu++11" }
   3 // { dg-require-cstdint "" }
   4 //
   5 // 2009-09-29  Paolo Carlini <paolo.carlini@oracle.com>
   6 //
   7 // Copyright (C) 2009-2016 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 <random>
  25
  26 void test01()
  27 {
  28   std::mt19937 mt;
  29
  30   const void* p = &mt.word_size;
  31   p = &mt.state_size;
  32   p = &mt.shift_size;
  33   p = &mt.mask_bits;
  34   p = &mt.xor_mask;
  35   p = &mt.tempering_u;
  36   p = &mt.tempering_d;
  37   p = &mt.tempering_s;
  38   p = &mt.tempering_b;
  39   p = &mt.tempering_t;
  40   p = &mt.tempering_c;
  41   p = &mt.tempering_l;
  42   p = &mt.initialization_multiplier;
  43   p = &mt.default_seed;
  44   p = p; // Suppress unused warning.
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50   return 0;
  51 }