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939fdd1c | 1 | /* Test lgamma functions set signgam for -ffinite-math-only (bug 19211). |
688903eb | 2 | Copyright (C) 2015-2018 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 | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <math.h> | |
20 | #include <stdio.h> | |
21 | ||
22 | #define RUN_TESTS(FUNC, TYPE) \ | |
23 | do \ | |
24 | { \ | |
25 | volatile TYPE a, b, c __attribute__ ((unused)); \ | |
26 | a = 0.5; \ | |
27 | b = -0.5; \ | |
28 | signgam = 123; \ | |
29 | c = FUNC (a); \ | |
30 | if (signgam == 1) \ | |
31 | puts ("PASS: " #FUNC " (0.5) setting signgam"); \ | |
32 | else \ | |
33 | { \ | |
34 | puts ("FAIL: " #FUNC " (0.5) setting signgam"); \ | |
35 | result = 1; \ | |
36 | } \ | |
37 | signgam = 123; \ | |
38 | c = FUNC (b); \ | |
39 | if (signgam == -1) \ | |
d699ab25 | 40 | puts ("PASS: " #FUNC " (-0.5) setting signgam"); \ |
939fdd1c JM |
41 | else \ |
42 | { \ | |
d699ab25 | 43 | puts ("FAIL: " #FUNC " (-0.5) setting signgam"); \ |
939fdd1c JM |
44 | result = 1; \ |
45 | } \ | |
46 | } \ | |
47 | while (0) | |
48 | ||
49 | static int | |
50 | do_test (void) | |
51 | { | |
52 | int result = 0; | |
53 | RUN_TESTS (lgammaf, float); | |
54 | RUN_TESTS (gammaf, float); | |
55 | RUN_TESTS (lgamma, double); | |
56 | RUN_TESTS (gamma, double); | |
939fdd1c JM |
57 | RUN_TESTS (lgammal, long double); |
58 | RUN_TESTS (gammal, long double); | |
939fdd1c JM |
59 | return result; |
60 | } | |
61 | ||
62 | #define TEST_FUNCTION do_test () | |
63 | #include "../test-skeleton.c" |