mirror of
https://github.com/autc04/Retro68.git
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74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
// { dg-options "-std=gnu++11" }
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// { dg-add-options ieee }
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// 2010-02-25 Ed Smith-Rowland
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// Copyright (C) 2010-2015 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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// 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 COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 18.2.1.1 template class numeric_limits
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#include <limits>
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#include <cmath>
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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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VERIFY( std::numeric_limits<bool>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<char>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<signed char>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned char>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<wchar_t>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<short>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned short>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<int>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned int>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<long>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned long>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<long long>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned long long>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<char16_t>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<char32_t>::max_digits10 == 0 );
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// GNU Extensions.
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#ifdef _GLIBCXX_USE_INT128
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VERIFY( std::numeric_limits<__int128>::max_digits10 == 0 );
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VERIFY( std::numeric_limits<unsigned __int128>::max_digits10 == 0 );
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#endif
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const int f_max_digits10 = (2 + std::numeric_limits<float>::digits
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* 643 / 2136);
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VERIFY( std::numeric_limits<float>::max_digits10 == f_max_digits10 );
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const int d_max_digits10 = (2 + std::numeric_limits<double>::digits
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* 643 / 2136);
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VERIFY( std::numeric_limits<double>::max_digits10 == d_max_digits10 );
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const int ld_max_digits10 = (2 + std::numeric_limits<long double>::digits
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* 643 / 2136);
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VERIFY( std::numeric_limits<long double>::max_digits10 == ld_max_digits10 );
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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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