libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_floating_neg.cc

   1 // { dg-do compile }
   2 // -*- C++ -*-
   3
   4 // Copyright (C) 2006-2014 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 <ext/type_traits.h>
  22 #include <tr1/type_traits>
  23
  24 template<typename T>
  25   void
  26   check_remove_unsigned()
  27   {
  28     typedef typename __gnu_cxx::__remove_unsigned<T>::__type signed_type;
  29   }
  30
  31 int main()
  32 {
  33   check_remove_unsigned<float>();  // { dg-error "required from" }
  34   return 0;
  35 }
  36
  37 // { dg-error "required from" "" { target *-*-* } 28 }
  38 // { dg-error "no type" "" { target *-*-* } 112 }