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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [is_iec559.cc] - Blame information for rev 19

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Line No. Rev Author Line
1 19 jlechner
// { dg-options "-mieee" { target alpha*-*-* } }
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// { dg-options "-mieee" { target sh*-*-* } }
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// 1999-08-23 bkoz
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// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation
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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 2, or (at your option)
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// any later version.
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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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING.  If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 18.2.1.1 template class numeric_limits
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#include <limits>
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#include <limits.h>
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#include <float.h>
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#include <cwchar>
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#include <testsuite_hooks.h>
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template<typename T>
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void
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test_is_iec559()
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{
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  bool test;
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  if (std::numeric_limits<T>::is_iec559)
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    {
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      // IEC 559 requires all of the following.
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      test = (std::numeric_limits<T>::has_infinity
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              && std::numeric_limits<T>::has_quiet_NaN
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              && std::numeric_limits<T>::has_signaling_NaN);
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    }
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  else
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    {
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      // If we had all of the following, why didn't we set IEC 559?
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      test = (!std::numeric_limits<T>::has_infinity
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              || !std::numeric_limits<T>::has_quiet_NaN
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              || !std::numeric_limits<T>::has_signaling_NaN);
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    }
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  VERIFY (test);
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}
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// libstdc++/8949
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bool test04()
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{
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  bool test __attribute__((unused)) = true;
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  VERIFY( !std::numeric_limits<short>::is_iec559 );
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  VERIFY( !std::numeric_limits<unsigned short>::is_iec559 );
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  VERIFY( !std::numeric_limits<int>::is_iec559 );
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  VERIFY( !std::numeric_limits<unsigned int>::is_iec559 );
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  VERIFY( !std::numeric_limits<long>::is_iec559 );
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  VERIFY( !std::numeric_limits<unsigned long>::is_iec559 );
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  VERIFY( !std::numeric_limits<long long>::is_iec559 );
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  VERIFY( !std::numeric_limits<unsigned long long>::is_iec559 );
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  return test;
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}
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int main()
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{
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  test_is_iec559<float>();
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  test_is_iec559<double>();
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  test_is_iec559<long double>();
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  test04();
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  return 0;
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}

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