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5146356f | 1 | /* Test fesetexcept. |
2b778ceb | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
5146356f JM |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
5146356f JM |
18 | |
19 | #include <fenv.h> | |
20 | #include <stdio.h> | |
21 | #include <math-tests.h> | |
22 | ||
23 | static int | |
24 | test_fesetexcept (int exc, const char *exc_name) | |
25 | { | |
26 | int result = 0; | |
27 | ||
28 | printf ("Testing %s\n", exc_name); | |
29 | feclearexcept (FE_ALL_EXCEPT); | |
30 | int ret = fesetexcept (exc); | |
31 | if (ret == 0) | |
32 | printf ("fesetexcept (%s) succeeded\n", exc_name); | |
33 | else | |
34 | { | |
35 | printf ("fesetexcept (%s) failed\n", exc_name); | |
36 | if (exc == 0 || EXCEPTION_TESTS (float)) | |
37 | { | |
38 | puts ("failure of fesetexcept was unexpected"); | |
39 | result = 1; | |
40 | } | |
41 | else | |
42 | puts ("failure of fesetexcept OK, skipping further tests"); | |
43 | return result; | |
44 | } | |
45 | ret = fetestexcept (FE_ALL_EXCEPT); | |
46 | if (ret != exc) | |
47 | { | |
48 | printf ("raised exceptions %x, expected %x\n", | |
49 | (unsigned int) ret, (unsigned int) exc); | |
50 | result = 1; | |
51 | } | |
52 | ||
53 | ret = feraiseexcept (FE_ALL_EXCEPT); | |
54 | if (ret != 0) | |
55 | { | |
56 | if (exc == 0 && !EXCEPTION_TESTS (float)) | |
57 | { | |
58 | puts ("feraiseexcept (FE_ALL_EXCEPT) failed, skipping further tests"); | |
59 | return result; | |
60 | } | |
61 | puts ("feraiseexcept (FE_ALL_EXCEPT) unexpectedly failed"); | |
62 | result = 1; | |
63 | } | |
64 | ret = fesetexcept (exc); | |
65 | if (ret != 0) | |
66 | { | |
67 | puts ("fesetexcept (second test) unexpectedly failed"); | |
68 | result = 1; | |
69 | } | |
70 | ret = fetestexcept (FE_ALL_EXCEPT); | |
71 | if (ret != FE_ALL_EXCEPT) | |
72 | { | |
73 | printf ("raised exceptions (second test) %x, expected %x\n", | |
74 | (unsigned int) ret, (unsigned int) FE_ALL_EXCEPT); | |
75 | result = 1; | |
76 | } | |
77 | ||
78 | feclearexcept (FE_ALL_EXCEPT); | |
79 | ret = feraiseexcept (FE_ALL_EXCEPT & ~exc); | |
80 | if (ret != 0) | |
81 | { | |
82 | puts ("feraiseexcept (third test) unexpectedly failed"); | |
83 | result = 1; | |
84 | } | |
85 | ret = fesetexcept (exc); | |
86 | if (ret != 0) | |
87 | { | |
88 | puts ("fesetexcept (third test) unexpectedly failed"); | |
89 | result = 1; | |
90 | } | |
91 | ret = fetestexcept (FE_ALL_EXCEPT); | |
92 | if (ret != FE_ALL_EXCEPT) | |
93 | { | |
94 | printf ("raised exceptions (third test) %x, expected %x\n", | |
95 | (unsigned int) ret, (unsigned int) FE_ALL_EXCEPT); | |
96 | result = 1; | |
97 | } | |
98 | ||
99 | return result; | |
100 | } | |
101 | ||
102 | static int | |
103 | do_test (void) | |
104 | { | |
105 | int result = 0; | |
106 | ||
107 | result |= test_fesetexcept (0, "0"); | |
108 | result |= test_fesetexcept (FE_ALL_EXCEPT, "FE_ALL_EXCEPT"); | |
109 | #ifdef FE_DIVBYZERO | |
110 | result |= test_fesetexcept (FE_DIVBYZERO, "FE_DIVBYZERO"); | |
111 | #endif | |
112 | #ifdef FE_INEXACT | |
113 | result |= test_fesetexcept (FE_INEXACT, "FE_INEXACT"); | |
114 | #endif | |
115 | #ifdef FE_INVALID | |
116 | result |= test_fesetexcept (FE_INVALID, "FE_INVALID"); | |
117 | #endif | |
118 | #ifdef FE_OVERFLOW | |
119 | result |= test_fesetexcept (FE_OVERFLOW, "FE_OVERFLOW"); | |
120 | #endif | |
121 | #ifdef FE_UNDERFLOW | |
122 | result |= test_fesetexcept (FE_UNDERFLOW, "FE_UNDERFLOW"); | |
123 | #endif | |
124 | ||
125 | return result; | |
126 | } | |
127 | ||
128 | #define TEST_FUNCTION do_test () | |
129 | #include "../test-skeleton.c" |