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

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <limits>
  21 #include <testsuite_common_types.h>
  22
  23 namespace __gnu_test
  24 {
  25   struct constexpr_member_data
  26   {
  27     template<typename _Ttesttype>
  28       void
  29       operator()()
  30       {
  31         struct _Concept
  32         {
  33           void __constraint()
  34           {
  35             using std::float_denorm_style;
  36             using std::float_round_style;
  37             constexpr bool v1 __attribute__((unused))
  38               = _Ttesttype::is_specialized;
  39             constexpr int v2 __attribute__((unused))
  40               = _Ttesttype::digits;
  41             constexpr int v3 __attribute__((unused))
  42               = _Ttesttype::digits10;
  43             constexpr int v4 __attribute__((unused))
  44               = _Ttesttype::max_digits10;
  45             constexpr bool v5 __attribute__((unused))
  46               = _Ttesttype::is_signed;
  47             constexpr bool v6 __attribute__((unused))
  48               = _Ttesttype::is_integer;
  49             constexpr bool v7 __attribute__((unused))
  50               = _Ttesttype::is_exact;
  51             constexpr int v8 __attribute__((unused))
  52               = _Ttesttype::radix;
  53             constexpr int v9 __attribute__((unused))
  54               = _Ttesttype::min_exponent;
  55             constexpr int v10 __attribute__((unused))
  56               = _Ttesttype::min_exponent10;
  57             constexpr int v11 __attribute__((unused))
  58               = _Ttesttype::max_exponent;
  59             constexpr int v12 __attribute__((unused))
  60               = _Ttesttype::max_exponent10;
  61             constexpr bool v13 __attribute__((unused))
  62               = _Ttesttype::has_infinity;
  63             constexpr bool v14 __attribute__((unused))
  64               = _Ttesttype::has_quiet_NaN;
  65             constexpr bool v15 __attribute__((unused))
  66               = _Ttesttype::has_signaling_NaN;
  67             constexpr float_denorm_style v16 __attribute__((unused))
  68               = _Ttesttype::has_denorm;
  69             constexpr bool v17 __attribute__((unused))
  70               = _Ttesttype::has_denorm_loss;
  71             constexpr bool v18 __attribute__((unused))
  72               = _Ttesttype::is_iec559;
  73             constexpr bool v19 __attribute__((unused))
  74               = _Ttesttype::is_bounded;
  75             constexpr bool v20 __attribute__((unused))
  76               = _Ttesttype::is_modulo;
  77             constexpr bool v21 __attribute__((unused))
  78               = _Ttesttype::traps;
  79             constexpr bool v22 __attribute__((unused))
  80               = _Ttesttype::tinyness_before;
  81             constexpr float_round_style v23 __attribute__((unused))
  82               = _Ttesttype::round_style;
  83           }
  84         };
  85
  86         _Concept c;
  87         c.__constraint();
  88       }
  89   };
  90 }
  91
  92 int main()
  93 {
  94   __gnu_test::constexpr_member_data test;
  95   __gnu_cxx::typelist::apply_generator(test, __gnu_test::limits_tl());
  96   return 0;
  97 }