1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
|
// { dg-options "-std=gnu++11" }
// { dg-add-options ieee }
// 2010-02-25 Ed Smith-Rowland
// Copyright (C) 2010-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 18.2.1.1 template class numeric_limits
#include <limits>
#include <type_traits>
#include <testsuite_hooks.h>
template<typename T>
void
do_test(std::true_type)
{
bool test __attribute__((unused)) = true;
T limits_min = std::numeric_limits<T>::min();
VERIFY( std::numeric_limits<T>::lowest() == limits_min );
}
template<typename T>
void
do_test(std::false_type)
{
bool test __attribute__((unused)) = true;
T limits_max = std::numeric_limits<T>::max();
VERIFY( std::numeric_limits<T>::lowest() == -limits_max );
}
template<typename Tp>
void
do_test()
{ do_test<Tp>(typename std::is_integral<Tp>::type()); }
void test01()
{
do_test<char>();
do_test<signed char>();
do_test<unsigned char>();
#ifdef _GLIBCXX_USE_WCHAR_T
do_test<wchar_t>();
#endif
do_test<char16_t>();
do_test<char32_t>();
do_test<short>();
do_test<unsigned short>();
do_test<int>();
do_test<unsigned int>();
do_test<long>();
do_test<unsigned long>();
do_test<long long>();
do_test<unsigned long long>();
// GNU Extensions.
#ifdef _GLIBCXX_USE_INT128
do_test<__int128>();
do_test<unsigned __int128>();
#endif
do_test<float>();
do_test<double>();
do_test<long double>();
}
int main()
{
test01();
return 0;
}
|