libstdc++-v3/testsuite/18_support/numeric_limits/requirements/constexpr_data.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++0x" }
   3
   4 // Copyright (C) 2010-2013 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <limits>
  22 #include <testsuite_common_types.h>
  23
  24 namespace __gnu_test
  25 {
  26   struct constexpr_member_data
  27   {
  28     template<typename _Ttesttype>
  29       void
  30       operator()()
  31       {
  32         struct _Concept
  33         {
  34           void __constraint()
  35           {
  36             using std::float_denorm_style;
  37             using std::float_round_style;
  38             constexpr bool v1 __attribute__((unused))
  39               = _Ttesttype::is_specialized;
  40             constexpr int v2 __attribute__((unused))
  41               = _Ttesttype::digits;
  42             constexpr int v3 __attribute__((unused))
  43               = _Ttesttype::digits10;
  44             constexpr int v4 __attribute__((unused))
  45               = _Ttesttype::max_digits10;
  46             constexpr bool v5 __attribute__((unused))
  47               = _Ttesttype::is_signed;
  48             constexpr bool v6 __attribute__((unused))
  49               = _Ttesttype::is_integer;
  50             constexpr bool v7 __attribute__((unused))
  51               = _Ttesttype::is_exact;
  52             constexpr int v8 __attribute__((unused))
  53               = _Ttesttype::radix;
  54             constexpr int v9 __attribute__((unused))
  55               = _Ttesttype::min_exponent;
  56             constexpr int v10 __attribute__((unused))
  57               = _Ttesttype::min_exponent10;
  58             constexpr int v11 __attribute__((unused))
  59               = _Ttesttype::max_exponent;
  60             constexpr int v12 __attribute__((unused))
  61               = _Ttesttype::max_exponent10;
  62             constexpr bool v13 __attribute__((unused))
  63               = _Ttesttype::has_infinity;
  64             constexpr bool v14 __attribute__((unused))
  65               = _Ttesttype::has_quiet_NaN;
  66             constexpr bool v15 __attribute__((unused))
  67               = _Ttesttype::has_signaling_NaN;
  68             constexpr float_denorm_style v16 __attribute__((unused))
  69               = _Ttesttype::has_denorm;
  70             constexpr bool v17 __attribute__((unused))
  71               = _Ttesttype::has_denorm_loss;
  72             constexpr bool v18 __attribute__((unused))
  73               = _Ttesttype::is_iec559;
  74             constexpr bool v19 __attribute__((unused))
  75               = _Ttesttype::is_bounded;
  76             constexpr bool v20 __attribute__((unused))
  77               = _Ttesttype::is_modulo;
  78             constexpr bool v21 __attribute__((unused))
  79               = _Ttesttype::traps;
  80             constexpr bool v22 __attribute__((unused))
  81               = _Ttesttype::tinyness_before;
  82             constexpr float_round_style v23 __attribute__((unused))
  83               = _Ttesttype::round_style;
  84           }
  85         };
  86
  87         _Concept c;
  88         c.__constraint();
  89       }
  90   };
  91 }
  92
  93 int main()
  94 {
  95   __gnu_test::constexpr_member_data test;
  96   __gnu_cxx::typelist::apply_generator(test, __gnu_test::limits_tl());
  97   return 0;
  98 }