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   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2010-2018 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 <random>
  21 #include <testsuite_common_types.h>
  22
  23 namespace __gnu_test
  24 {
  25   struct constexpr_member_functions
  26   {
  27     template<typename _Ttesttype>
  28       void
  29       operator()()
  30       {
  31         struct _Concept
  32         {
  33           void __constraint()
  34           {
  35             constexpr auto v1 __attribute__((unused))
  36               = _Ttesttype::min();
  37             constexpr auto v2 __attribute__((unused))
  38               = _Ttesttype::max();
  39           }
  40         };
  41
  42         _Concept c;
  43         c.__constraint();
  44       }
  45   };
  46 }
  47
  48 int main()
  49 {
  50   __gnu_test::constexpr_member_functions test;
  51   typedef std::independent_bits_engine
  52     <
  53       std::subtract_with_carry_engine
  54         <
  55           uint_fast64_t, 48, 5, 12
  56         >,
  57       48, uint_fast64_t
  58     > type;
  59   test.operator()<type>();
  60   return 0;
  61 }