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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [min_max.cc] - Rev 19
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// { dg-options "-mieee" { target alpha*-*-* } } // { dg-options "-mieee" { target sh*-*-* } } // 1999-08-23 bkoz // Copyright (C) 1999, 2001, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 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> struct extrema { static T min; static T max; }; #define DEFINE_EXTREMA(T, m, M) \ template<> T extrema<T>::min = m; \ template<> T extrema<T>::max = M DEFINE_EXTREMA(char, CHAR_MIN, CHAR_MAX); DEFINE_EXTREMA(signed char, SCHAR_MIN, SCHAR_MAX); DEFINE_EXTREMA(unsigned char, 0, UCHAR_MAX); DEFINE_EXTREMA(short, SHRT_MIN, SHRT_MAX); DEFINE_EXTREMA(unsigned short, 0, USHRT_MAX); DEFINE_EXTREMA(int, INT_MIN, INT_MAX); DEFINE_EXTREMA(unsigned, 0U, UINT_MAX); DEFINE_EXTREMA(long, LONG_MIN, LONG_MAX); DEFINE_EXTREMA(unsigned long, 0UL, ULONG_MAX); #if _GLIBCXX_USE_WCHAR_T DEFINE_EXTREMA(wchar_t, WCHAR_MIN, WCHAR_MAX); #endif //_GLIBCXX_USE_WCHAR_T DEFINE_EXTREMA(float, FLT_MIN, FLT_MAX); DEFINE_EXTREMA(double, DBL_MIN, DBL_MAX); DEFINE_EXTREMA(long double, LDBL_MIN, LDBL_MAX); #undef DEFINE_EXTREMA template<typename T> void test_extrema() { bool test __attribute__((unused)) = true; T limits_min = std::numeric_limits<T>::min(); T limits_max = std::numeric_limits<T>::max(); T extrema_min = extrema<T>::min; T extrema_max = extrema<T>::max; VERIFY( extrema_min == limits_min ); VERIFY( extrema_max == limits_max ); } int main() { test_extrema<char>(); test_extrema<signed char>(); test_extrema<unsigned char>(); test_extrema<short>(); test_extrema<unsigned short>(); test_extrema<int>(); test_extrema<unsigned>(); test_extrema<long>(); test_extrema<unsigned long>(); test_extrema<float>(); test_extrema<double>(); test_extrema<long double>(); return 0; }