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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [max_digits10.cc] - Rev 783
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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 <cmath> #include <testsuite_hooks.h> void test01() { bool test __attribute__((unused)) = true; VERIFY( std::numeric_limits<bool>::max_digits10 == 0 ); VERIFY( std::numeric_limits<char>::max_digits10 == 0 ); VERIFY( std::numeric_limits<signed char>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned char>::max_digits10 == 0 ); VERIFY( std::numeric_limits<wchar_t>::max_digits10 == 0 ); VERIFY( std::numeric_limits<short>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned short>::max_digits10 == 0 ); VERIFY( std::numeric_limits<int>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned int>::max_digits10 == 0 ); VERIFY( std::numeric_limits<long>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned long>::max_digits10 == 0 ); VERIFY( std::numeric_limits<long long>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned long long>::max_digits10 == 0 ); VERIFY( std::numeric_limits<char16_t>::max_digits10 == 0 ); VERIFY( std::numeric_limits<char32_t>::max_digits10 == 0 ); // GNU Extensions. #ifdef _GLIBCXX_USE_INT128 VERIFY( std::numeric_limits<__int128>::max_digits10 == 0 ); VERIFY( std::numeric_limits<unsigned __int128>::max_digits10 == 0 ); #endif const int f_max_digits10 = (2 + std::numeric_limits<float>::digits * 643 / 2136); VERIFY( std::numeric_limits<float>::max_digits10 == f_max_digits10 ); const int d_max_digits10 = (2 + std::numeric_limits<double>::digits * 643 / 2136); VERIFY( std::numeric_limits<double>::max_digits10 == d_max_digits10 ); const int ld_max_digits10 = (2 + std::numeric_limits<long double>::digits * 643 / 2136); VERIFY( std::numeric_limits<long double>::max_digits10 == ld_max_digits10 ); } int main() { test01(); return 0; }