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1 | /* Test ceil functions do not disable exception traps. |
2 | Copyright (C) 2024 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 <math.h> | |
21 | #include <stdio.h> | |
22 | ||
23 | #ifndef FE_INEXACT | |
24 | # define FE_INEXACT 0 | |
25 | #endif | |
26 | ||
27 | #define TEST_FUNC(NAME, FLOAT, SUFFIX) \ | |
28 | static int \ | |
29 | NAME (void) \ | |
30 | { \ | |
31 | int result = 0; \ | |
32 | volatile FLOAT a, b __attribute__ ((unused)); \ | |
33 | a = 1.5; \ | |
34 | /* ceil must work when traps on "inexact" are enabled. */ \ | |
35 | b = ceil ## SUFFIX (a); \ | |
36 | /* And it must have left those traps enabled. */ \ | |
37 | if (fegetexcept () == FE_INEXACT) \ | |
38 | puts ("PASS: " #FLOAT); \ | |
39 | else \ | |
40 | { \ | |
41 | puts ("FAIL: " #FLOAT); \ | |
42 | result = 1; \ | |
43 | } \ | |
44 | return result; \ | |
45 | } | |
46 | ||
47 | TEST_FUNC (float_test, float, f) | |
48 | TEST_FUNC (double_test, double, ) | |
49 | TEST_FUNC (ldouble_test, long double, l) | |
50 | ||
51 | static int | |
52 | do_test (void) | |
53 | { | |
54 | if (feenableexcept (FE_INEXACT) == -1) | |
55 | { | |
56 | puts ("enabling FE_INEXACT traps failed, cannot test"); | |
57 | return 77; | |
58 | } | |
59 | int result = float_test (); | |
60 | feenableexcept (FE_INEXACT); | |
61 | result |= double_test (); | |
62 | feenableexcept (FE_INEXACT); | |
63 | result |= ldouble_test (); | |
64 | return result; | |
65 | } | |
66 | ||
67 | #include <support/test-driver.c> |