1/* Test fesetexcept: exception traps enabled.
2 Copyright (C) 2016-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <fenv.h>
20#include <stdio.h>
21#include <math-tests.h>
22
23static int
24do_test (void)
25{
26 int result = 0;
27
28 fedisableexcept (FE_ALL_EXCEPT);
29 int ret = feenableexcept (FE_ALL_EXCEPT);
30 if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (ret == -1))
31 {
32 puts (s: "feenableexcept (FE_ALL_EXCEPT) not supported, cannot test");
33 return 77;
34 }
35 else if (ret != 0)
36 {
37 puts (s: "feenableexcept (FE_ALL_EXCEPT) failed");
38 result = 1;
39 return result;
40 }
41
42 if (EXCEPTION_SET_FORCES_TRAP)
43 {
44 puts (s: "setting exceptions traps, cannot test on this architecture");
45 return 77;
46 }
47 /* Verify fesetexcept does not cause exception traps. */
48 ret = fesetexcept (FE_ALL_EXCEPT);
49 if (ret == 0)
50 puts (s: "fesetexcept (FE_ALL_EXCEPT) succeeded");
51 else
52 {
53 puts (s: "fesetexcept (FE_ALL_EXCEPT) failed");
54 if (EXCEPTION_TESTS (float))
55 {
56 puts (s: "failure of fesetexcept was unexpected");
57 result = 1;
58 }
59 else
60 puts (s: "failure of fesetexcept OK");
61 }
62 feclearexcept (FE_ALL_EXCEPT);
63
64 return result;
65}
66
67#define TEST_FUNCTION do_test ()
68#include "../test-skeleton.c"
69

source code of glibc/math/test-fesetexcept-traps.c