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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [lowest.cc] - Rev 742
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// { dg-options "-std=gnu++0x" } // { dg-add-options ieee } // 2010-02-25 Ed Smith-Rowland // Copyright (C) 2010, 2011 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 <type_traits> #include <testsuite_hooks.h> template<typename T> void do_test(std::true_type) { bool test __attribute__((unused)) = true; T limits_min = std::numeric_limits<T>::min(); VERIFY( std::numeric_limits<T>::lowest() == limits_min ); } template<typename T> void do_test(std::false_type) { bool test __attribute__((unused)) = true; T limits_max = std::numeric_limits<T>::max(); VERIFY( std::numeric_limits<T>::lowest() == -limits_max ); } template<typename Tp> void do_test() { do_test<Tp>(typename std::is_integral<Tp>::type()); } void test01() { do_test<char>(); do_test<signed char>(); do_test<unsigned char>(); #ifdef _GLIBCXX_USE_WCHAR_T do_test<wchar_t>(); #endif do_test<char16_t>(); do_test<char32_t>(); do_test<short>(); do_test<unsigned short>(); do_test<int>(); do_test<unsigned int>(); do_test<long>(); do_test<unsigned long>(); do_test<long long>(); do_test<unsigned long long>(); // GNU Extensions. #ifdef _GLIBCXX_USE_INT128 do_test<__int128>(); do_test<unsigned __int128>(); #endif do_test<float>(); do_test<double>(); do_test<long double>(); } int main() { test01(); return 0; }
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