// { dg-add-options ieee } // Copyright (C) 2005-2015 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // 18.2.1.1 template class numeric_limits #include #include template void test_traps(T r = T(0)) { typedef T value_type; volatile value_type i(5); volatile value_type j(0); if (!std::numeric_limits::traps) r = i / j; } // libstdc++/22203 int main() { test_traps(); test_traps(); test_traps(); test_traps(); test_traps(); test_traps(); /* For floating points, trapping is a different, more complicated story. If is_iecxxx is true, then division by zero would not trap (infinity). If is_iecxxx is false, we don't know (VAX may trap for 0/0 -- I have to check). For most cases (i.e. IEE-754), trapping for floating points have to do with whether there is a support for signaling NaN. - Gaby. */ // test_traps(); // test_traps(); // test_traps(); return 0; }