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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [18_support/] [numeric_limits/] [specialization_default_values.cc] - Rev 424
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// { dg-add-options ieee } // 1999-08-23 bkoz // Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 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> struct A { int key; public: A(int i = 0): key(i) { } bool operator==(int i) { return i == key; } }; struct B { B(int = 0) { } }; bool test01() { bool test __attribute__((unused)) = true; std::numeric_limits< A<B> > obj; VERIFY( !obj.is_specialized ); VERIFY( obj.min() == 0 ); VERIFY( obj.max() == 0 ); VERIFY( obj.digits == 0 ); VERIFY( obj.digits10 == 0 ); VERIFY( !obj.is_signed ); VERIFY( !obj.is_integer ); VERIFY( !obj.is_exact ); VERIFY( obj.radix == 0 ); VERIFY( obj.epsilon() == 0 ); VERIFY( obj.round_error() == 0 ); VERIFY( obj.min_exponent == 0 ); VERIFY( obj.min_exponent10 == 0 ); VERIFY( obj.max_exponent == 0 ); VERIFY( obj.max_exponent10 == 0 ); VERIFY( !obj.has_infinity ); VERIFY( !obj.has_quiet_NaN ); VERIFY( !obj.has_signaling_NaN ); VERIFY( !obj.has_denorm ); VERIFY( !obj.has_denorm_loss ); VERIFY( obj.infinity() == 0 ); VERIFY( obj.quiet_NaN() == 0 ); VERIFY( obj.signaling_NaN() == 0 ); VERIFY( obj.denorm_min() == 0 ); VERIFY( !obj.is_iec559 ); VERIFY( !obj.is_bounded ); VERIFY( !obj.is_modulo ); VERIFY( !obj.traps ); VERIFY( !obj.tinyness_before ); VERIFY( obj.round_style == std::round_toward_zero ); return test; } // test linkage of the generic bits template struct std::numeric_limits<B>; void test02() { typedef std::numeric_limits<B> b_nl_type; // Should probably do all of them... const int* __attribute__((unused)) pi1 = &b_nl_type::digits; const int* __attribute__((unused)) pi2 = &b_nl_type::digits10; const int* __attribute__((unused)) pi3 = &b_nl_type::max_exponent10; const bool* __attribute__((unused)) pb1 = &b_nl_type::traps; } int main() { test01(); test02(); return 0; }
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