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 | |
23 | static int |
24 | do_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 | |