libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/default.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
   5 //
   6 // Copyright (C) 2008-2018 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 #include <testsuite_hooks.h>
  25
  26 void
  27 test01()
  28 {
  29   typedef unsigned long value_type;
  30
  31   std::mersenne_twister_engine<
  32     value_type, 32, 624, 397, 31,
  33     0x9908b0dful, 11,
  34     0xfffffffful, 7,
  35     0x9d2c5680ul, 15,
  36     0xefc60000ul, 18, 1812433253ul> x;
  37
  38   VERIFY( x.min() == 0 );
  39   VERIFY( x.max() == 4294967295ul );
  40   VERIFY( x() == 3499211612ul );
  41 }
  42
  43 int main()
  44 {
  45   test01();
  46   return 0;
  47 }