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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc4/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [is_iec559.cc] - Rev 759
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// { dg-add-options ieee } // 1999-08-23 bkoz // Copyright (C) 1999, 2001, 2002, 2003, 2004, 2009 Free Software Foundation // // 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 // <http://www.gnu.org/licenses/>. // 18.2.1.1 template class numeric_limits #include <limits> #include <limits.h> #include <float.h> #include <cwchar> #include <testsuite_hooks.h> template<typename T> void test_is_iec559() { bool test; if (std::numeric_limits<T>::is_iec559) { // IEC 559 requires all of the following. test = (std::numeric_limits<T>::has_infinity && std::numeric_limits<T>::has_quiet_NaN && std::numeric_limits<T>::has_signaling_NaN); } else { // If we had all of the following, why didn't we set IEC 559? test = (!std::numeric_limits<T>::has_infinity || !std::numeric_limits<T>::has_quiet_NaN || !std::numeric_limits<T>::has_signaling_NaN); } VERIFY (test); } // libstdc++/8949 bool test04() { bool test __attribute__((unused)) = true; VERIFY( !std::numeric_limits<short>::is_iec559 ); VERIFY( !std::numeric_limits<unsigned short>::is_iec559 ); VERIFY( !std::numeric_limits<int>::is_iec559 ); VERIFY( !std::numeric_limits<unsigned int>::is_iec559 ); VERIFY( !std::numeric_limits<long>::is_iec559 ); VERIFY( !std::numeric_limits<unsigned long>::is_iec559 ); VERIFY( !std::numeric_limits<long long>::is_iec559 ); VERIFY( !std::numeric_limits<unsigned long long>::is_iec559 ); return test; } int main() { test_is_iec559<float>(); test_is_iec559<double>(); test_is_iec559<long double>(); test04(); return 0; }
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