1// 2001-04-06 gdr 2 3// Copyright (C) 2001-2015 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20 21// { dg-do compile { xfail uclibc } } 22// { dg-excess-errors "" { target uclibc } } 23 24#include <cmath> 25 26void fpclassify() { } 27 28void isfinite() { } 29 30void isinf() { } 31 32void isnan() { } 33 34void isnormal() { } 35 36void signbit() { } 37 38void isgreater() { } 39 40void isgreaterequal() { } 41 42void isless() { } 43 44void islessequal() { } 45 46void islessgreater() { } 47 48void isunordered() { } 49 50#if _GLIBCXX_USE_C99_MATH 51template <typename _Tp> 52 void test_c99_classify() 53 { 54 bool test __attribute__((unused)) = true; 55 56 typedef _Tp fp_type; 57 fp_type f1 = 1.0; 58 fp_type f2 = 3.0; 59 int res = 0; 60 61 res = std::fpclassify(f1); 62 res = std::isfinite(f2); 63 res = std::isinf(f1); 64 res = std::isnan(f2); 65 res = std::isnormal(f1); 66 res = std::signbit(f2); 67 res = std::isgreater(f1, f2); 68 res = std::isgreaterequal(f1, f2); 69 res = std::isless(f1, f2); 70 res = std::islessequal(f1,f2); 71 res = std::islessgreater(f1, f2); 72 res = std::isunordered(f1, f2); 73 res = res; // Suppress unused warning. 74 } 75#endif 76 77int main() 78{ 79#if _GLIBCXX_USE_C99_MATH 80 test_c99_classify<float>(); 81 test_c99_classify<double>(); 82#endif 83 return 0; 84} 85