libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/minstd_rand0.cc

   1 // 2006-06-04  Stephen M. Webb <stephen.webb@bregmasoft.com>
   2 //
   3 // Copyright (C) 2006-2014 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 5.1.5 Engines with predefined parameters
  21 // 5.1.5 [1]
  22
  23 #include <tr1/random>
  24 #include <testsuite_hooks.h>
  25
  26 void
  27 test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   std::tr1::minstd_rand0 a;
  32   for (int i = 0; i < 9999; ++i)
  33     a();
  34
  35   VERIFY( a() == 1043618065 );
  36 }
  37
  38 int main()
  39 {
  40   test01();
  41   return 0;
  42 }