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1 | /* Test floating-point environment is thread-local. | |
2 | Copyright (C) 2013-2018 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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <fenv.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdint.h> | |
23 | ||
24 | #define TEST_ONE_RM(RM) \ | |
25 | do \ | |
26 | { \ | |
27 | if (fesetround (RM) == 0) \ | |
28 | { \ | |
29 | rm = fegetround (); \ | |
30 | if (rm != RM) \ | |
31 | { \ | |
32 | printf ("expected " #RM ", got %d\n", rm); \ | |
33 | ret = 1; \ | |
34 | } \ | |
35 | } \ | |
36 | } \ | |
37 | while (0) | |
38 | ||
39 | static void * | |
40 | test_round (void *arg) | |
41 | { | |
42 | intptr_t ret = 0; | |
43 | for (int i = 0; i < 10000; i++) | |
44 | { | |
45 | int rm; | |
46 | #ifdef FE_DOWNWARD | |
47 | TEST_ONE_RM (FE_DOWNWARD); | |
48 | #endif | |
49 | #ifdef FE_TONEAREST | |
50 | TEST_ONE_RM (FE_TONEAREST); | |
51 | #endif | |
52 | #ifdef FE_TOWARDZERO | |
53 | TEST_ONE_RM (FE_TOWARDZERO); | |
54 | #endif | |
55 | #ifdef FE_UPWARD | |
56 | TEST_ONE_RM (FE_UPWARD); | |
57 | #endif | |
58 | } | |
59 | return (void *) ret; | |
60 | } | |
61 | ||
62 | #define TEST_ONE_RAISE(EX) \ | |
63 | do \ | |
64 | { \ | |
65 | if (feraiseexcept (EX) == 0) \ | |
66 | if (fetestexcept (EX) != EX) \ | |
67 | { \ | |
68 | printf (#EX " not raised\n"); \ | |
69 | ret = 1; \ | |
70 | } \ | |
71 | if (feclearexcept (FE_ALL_EXCEPT) == 0) \ | |
72 | if (fetestexcept (FE_ALL_EXCEPT) != 0) \ | |
73 | { \ | |
74 | printf ("exceptions not all cleared\n"); \ | |
75 | ret = 1; \ | |
76 | } \ | |
77 | } \ | |
78 | while (0) | |
79 | ||
80 | static void * | |
81 | test_raise (void *arg) | |
82 | { | |
83 | intptr_t ret = 0; | |
84 | for (int i = 0; i < 10000; i++) | |
85 | { | |
86 | #ifdef FE_DIVBYZERO | |
87 | TEST_ONE_RAISE (FE_DIVBYZERO); | |
88 | #endif | |
89 | #ifdef FE_INEXACT | |
90 | TEST_ONE_RAISE (FE_INEXACT); | |
91 | #endif | |
92 | #ifdef FE_INVALID | |
93 | TEST_ONE_RAISE (FE_INVALID); | |
94 | #endif | |
95 | #ifdef FE_OVERFLOW | |
96 | TEST_ONE_RAISE (FE_OVERFLOW); | |
97 | #endif | |
98 | #ifdef UNDERFLOW | |
99 | TEST_ONE_RAISE (FE_UNDERFLOW); | |
100 | #endif | |
101 | } | |
102 | return (void *) ret; | |
103 | } | |
104 | ||
105 | #define TEST_ONE_ENABLE(EX) \ | |
106 | do \ | |
107 | { \ | |
108 | if (feenableexcept (EX) != -1) \ | |
109 | if (fegetexcept () != EX) \ | |
110 | { \ | |
111 | printf (#EX " not enabled\n"); \ | |
112 | ret = 1; \ | |
113 | } \ | |
114 | if (fedisableexcept (EX) != -1) \ | |
115 | if (fegetexcept () != 0) \ | |
116 | { \ | |
117 | printf ("exceptions not all disabled\n"); \ | |
118 | ret = 1; \ | |
119 | } \ | |
120 | } \ | |
121 | while (0) | |
122 | ||
123 | static void * | |
124 | test_enable (void *arg) | |
125 | { | |
126 | intptr_t ret = 0; | |
127 | for (int i = 0; i < 10000; i++) | |
128 | { | |
129 | #ifdef FE_DIVBYZERO | |
130 | TEST_ONE_ENABLE (FE_DIVBYZERO); | |
131 | #endif | |
132 | #ifdef FE_INEXACT | |
133 | TEST_ONE_ENABLE (FE_INEXACT); | |
134 | #endif | |
135 | #ifdef FE_INVALID | |
136 | TEST_ONE_ENABLE (FE_INVALID); | |
137 | #endif | |
138 | #ifdef FE_OVERFLOW | |
139 | TEST_ONE_ENABLE (FE_OVERFLOW); | |
140 | #endif | |
141 | #ifdef UNDERFLOW | |
142 | TEST_ONE_ENABLE (FE_UNDERFLOW); | |
143 | #endif | |
144 | } | |
145 | return (void *) ret; | |
146 | } | |
147 | ||
148 | static int | |
149 | do_test (void) | |
150 | { | |
151 | int ret = 0; | |
152 | void *vret; | |
153 | pthread_t thread_id; | |
154 | int pret; | |
155 | ||
156 | pret = pthread_create (&thread_id, NULL, test_round, NULL); | |
157 | if (pret != 0) | |
158 | { | |
159 | printf ("pthread_create failed: %d\n", pret); | |
160 | return 1; | |
161 | } | |
162 | vret = test_round (NULL); | |
163 | ret |= (intptr_t) vret; | |
164 | pret = pthread_join (thread_id, &vret); | |
165 | if (pret != 0) | |
166 | { | |
167 | printf ("pthread_join failed: %d\n", pret); | |
168 | return 1; | |
169 | } | |
170 | ret |= (intptr_t) vret; | |
171 | ||
172 | pret = pthread_create (&thread_id, NULL, test_raise, NULL); | |
173 | if (pret != 0) | |
174 | { | |
175 | printf ("pthread_create failed: %d\n", pret); | |
176 | return 1; | |
177 | } | |
178 | vret = test_raise (NULL); | |
179 | ret |= (intptr_t) vret; | |
180 | pret = pthread_join (thread_id, &vret); | |
181 | if (pret != 0) | |
182 | { | |
183 | printf ("pthread_join failed: %d\n", pret); | |
184 | return 1; | |
185 | } | |
186 | ret |= (intptr_t) vret; | |
187 | ||
188 | pret = pthread_create (&thread_id, NULL, test_enable, NULL); | |
189 | if (pret != 0) | |
190 | { | |
191 | printf ("pthread_create failed: %d\n", pret); | |
192 | return 1; | |
193 | } | |
194 | vret = test_enable (NULL); | |
195 | ret |= (intptr_t) vret; | |
196 | pret = pthread_join (thread_id, &vret); | |
197 | if (pret != 0) | |
198 | { | |
199 | printf ("pthread_join failed: %d\n", pret); | |
200 | return 1; | |
201 | } | |
202 | ret |= (intptr_t) vret; | |
203 | ||
204 | return ret; | |
205 | } | |
206 | ||
207 | #define TEST_FUNCTION do_test () | |
208 | #include "../test-skeleton.c" |