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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libstdc++-v3/] [testsuite/] [tr1/] [5_numerical_facilities/] [random/] [ranlux3_01.cc] - Blame information for rev 424

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1 424 jeremybenn
// 2006-08-22  Paolo Carlini  <pcarlini@suse.de>
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//
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// Copyright (C) 2006, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library.  This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3.  If not see
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// <http://www.gnu.org/licenses/>.
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// 5.1.5 Engines with predefined parameters
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// 5.1.5 [3]
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#include <iostream>
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#include <tr1/random>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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  bool test __attribute__((unused)) = true;
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  std::tr1::ranlux3_01 a;
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  for (int i = 0; i < 9999; ++i)
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    a();
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#if _GLIBCXX_USE_C99_MATH_TR1
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  VERIFY( a() == 5957620 * std::tr1::ldexp(float(1), -24) );
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#else
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  VERIFY( a() == 5957620 * std::pow(float(2), -24) );
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#endif
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}
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int main()
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{
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  test01();
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  return 0;
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}

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