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