aboutsummaryrefslogtreecommitdiff
path: root/math/test-fenv-return.c
blob: fac3c750c2fbf43739b3dcac8cd430c29f129059 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/* Test return value when setting FE_NOMASK_ENV (BZ16918, BZ17009).
   Copyright (C) 2014-2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <fenv.h>
#include <stdio.h>
#include <math-tests.h>

static int count_errors;

static void
test_feenableexcept (void)
{
#if defined FE_ALL_EXCEPT
  int res;

  fedisableexcept (FE_ALL_EXCEPT);

  res = feenableexcept (FE_ALL_EXCEPT);

  if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res == -1))
    {
      puts ("feenableexcept (FE_ALL_EXCEPT) not supported, cannot test.");
      return;
    }
  else if (res != 0)
    {
      puts ("feenableexcept (FE_ALL_EXCEPT) failed");
      count_errors++;
    }

  if (fegetexcept () != FE_ALL_EXCEPT)
    {
      puts ("feenableexcept did not set all exceptions");
      count_errors++;
    }
#endif
}

static void
test_fesetenv (void)
{
#if defined FE_NOMASK_ENV && defined FE_ALL_EXCEPT
  int res;

  fedisableexcept (FE_ALL_EXCEPT);

  res = fesetenv (FE_NOMASK_ENV);

  if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res != 0))
    {
      puts ("fesetenv (FE_NOMASK_ENV) not supported, cannot test.");
      return;
    }
  else if (res != 0)
    {
      puts ("fesetenv (FE_NOMASK_ENV) failed");
      count_errors++;
    }

  if (fegetexcept () != FE_ALL_EXCEPT)
    {
      puts ("fesetenv did not set all exceptions");
      count_errors++;
    }
#endif
}

static void
test_feupdateenv (void)
{
#if defined FE_NOMASK_ENV && defined FE_ALL_EXCEPT
  int res;

  fedisableexcept (FE_ALL_EXCEPT);

  res = feupdateenv (FE_NOMASK_ENV);

  if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res != 0))
    {
      puts ("feupdateenv (FE_NOMASK_ENV)) not supported, cannot test.");
      return;
    }
  else if (res != 0)
    {
      puts ("feupdateenv (FE_NOMASK_ENV) failed");
      count_errors++;
    }

  if (fegetexcept () != FE_ALL_EXCEPT)
    {
      puts ("feupdateenv did not set all exceptions");
      count_errors++;
    }
#endif
}

static int
do_test (void)
{
  test_feenableexcept ();
  test_fesetenv ();
  test_feupdateenv ();

  return count_errors != 0 ? 1 : 0;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"