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939fdd1c | 1 | /* Test lgamma functions do not set signgam for -ffinite-math-only for ISO C. |
04277e02 | 2 | Copyright (C) 2015-2019 Free Software Foundation, Inc. |
939fdd1c 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/>. */ |
939fdd1c JM |
18 | |
19 | #undef _LIBC | |
2beb1010 | 20 | #undef __LIBC_INTERNAL_MATH_INLINES |
939fdd1c | 21 | #undef _GNU_SOURCE |
939fdd1c JM |
22 | |
23 | #include <math.h> | |
24 | #include <stdio.h> | |
25 | ||
26 | int signgam; | |
27 | ||
28 | #define RUN_TESTS(FUNC, TYPE) \ | |
29 | do \ | |
30 | { \ | |
31 | volatile TYPE a, b, c __attribute__ ((unused)); \ | |
32 | a = 0.5; \ | |
33 | b = -0.5; \ | |
34 | signgam = 123; \ | |
35 | c = FUNC (a); \ | |
36 | if (signgam == 123) \ | |
37 | puts ("PASS: " #FUNC " (0.5) setting signgam"); \ | |
38 | else \ | |
39 | { \ | |
40 | puts ("FAIL: " #FUNC " (0.5) setting signgam"); \ | |
41 | result = 1; \ | |
42 | } \ | |
43 | signgam = 123; \ | |
44 | c = FUNC (b); \ | |
45 | if (signgam == 123) \ | |
d699ab25 | 46 | puts ("PASS: " #FUNC " (-0.5) setting signgam"); \ |
939fdd1c JM |
47 | else \ |
48 | { \ | |
d699ab25 | 49 | puts ("FAIL: " #FUNC " (-0.5) setting signgam"); \ |
939fdd1c JM |
50 | result = 1; \ |
51 | } \ | |
52 | } \ | |
53 | while (0) | |
54 | ||
55 | int | |
56 | main (void) | |
57 | { | |
58 | int result = 0; | |
59 | RUN_TESTS (lgammaf, float); | |
60 | RUN_TESTS (lgamma, double); | |
939fdd1c | 61 | RUN_TESTS (lgammal, long double); |
939fdd1c JM |
62 | return result; |
63 | } |