1// 2001-04-06 gdr 2 3// Copyright (C) 2001 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30// { dg-do compile } 31 32#include <cmath> 33 34void fpclassify() { } 35 36void isfinite() { } 37 38void isinf() { } 39 40void isnan() { } 41 42void isnormal() { } 43 44void signbit() { } 45 46void isgreater() { } 47 48void isgreaterequal() { } 49 50void isless() { } 51 52void islessequal() { } 53 54void islessgreater() { } 55 56void isunordered() { } 57 58#if defined(_GLIBCPP_USE_C99) 59template <typename _Tp> 60 void test_c99_classify() 61 { 62 bool test = true; 63 64 typedef _Tp fp_type; 65 fp_type f1 = 1.0; 66 fp_type f2 = 3.0; 67 int res = 0; 68 69 res = std::fpclassify(f1); 70 res = std::isfinite(f2); 71 res = std::isinf(f1); 72 res = std::isnan(f2); 73 res = std::isnormal(f1); 74 res = std::signbit(f2); 75 res = std::isgreater(f1, f2); 76 res = std::isgreaterequal(f1, f2); 77 res = std::isless(f1, f2); 78 res = std::islessequal(f1,f2); 79 res = std::islessgreater(f1, f2); 80 res = std::isunordered(f1, f2); 81 } 82#endif 83 84int main() 85{ 86#if defined(_GLIBCPP_USE_C99) 87 test_c99_classify<float>(); 88 //test_c99_classify<double>(); 89#endif 90 return 0; 91} 92