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