1 // { dg-add-options ieee } 2 3 // 1999-08-23 bkoz 4 5 // Copyright (C) 1999-2018 Free Software Foundation, Inc. 6 // 7 // This file is part of the GNU ISO C++ Library. This library is free 8 // software; you can redistribute it and/or modify it under the 9 // terms of the GNU General Public License as published by the 10 // Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 13 // This library is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // You should have received a copy of the GNU General Public License along 19 // with this library; see the file COPYING3. If not see 20 // <http://www.gnu.org/licenses/>. 21 22 // 18.2.1.1 template class numeric_limits 23 24 #include <limits> 25 #include <limits.h> 26 #include <float.h> 27 #include <cwchar> 28 #include <testsuite_hooks.h> 29 30 template<typename T> 31 void test_infinity()32test_infinity() 33 { 34 bool test; 35 36 if (std::numeric_limits<T>::has_infinity) 37 { 38 T inf = std::numeric_limits<T>::infinity(); 39 test = (inf + inf == inf); 40 } 41 else 42 test = true; 43 44 VERIFY (test); 45 } 46 main()47int main() 48 { 49 test_infinity<float>(); 50 test_infinity<double>(); 51 test_infinity<long double>(); 52 53 return 0; 54 } 55