1/* Test copysign.
2   Copyright (C) 1997-2022 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 "libm-test-driver.c"
20
21static const struct test_ff_f_data copysign_test_data[] =
22  {
23    TEST_ff_f (copysign, 0, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
24    TEST_ff_f (copysign, 0, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
25    TEST_ff_f (copysign, minus_zero, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
26    TEST_ff_f (copysign, minus_zero, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
27
28    TEST_ff_f (copysign, 0, 4, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
29    TEST_ff_f (copysign, 0, -4, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
30    TEST_ff_f (copysign, minus_zero, 4, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
31    TEST_ff_f (copysign, minus_zero, -4, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
32
33    TEST_ff_f (copysign, 2, 0, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
34    TEST_ff_f (copysign, 2, minus_zero, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
35    TEST_ff_f (copysign, -2, 0, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
36    TEST_ff_f (copysign, -2, minus_zero, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
37
38    TEST_ff_f (copysign, plus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
39    TEST_ff_f (copysign, plus_infty, minus_zero, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
40    TEST_ff_f (copysign, minus_infty, 0, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
41    TEST_ff_f (copysign, minus_infty, minus_zero, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
42
43    TEST_ff_f (copysign, 0, plus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
44    TEST_ff_f (copysign, 0, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
45    TEST_ff_f (copysign, minus_zero, plus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
46    TEST_ff_f (copysign, minus_zero, minus_infty, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
47
48    TEST_ff_f (copysign, 0, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
49    TEST_ff_f (copysign, 0, -qnan_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
50    TEST_ff_f (copysign, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
51    TEST_ff_f (copysign, minus_zero, -qnan_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
52
53    TEST_ff_f (copysign, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
54    TEST_ff_f (copysign, qnan_value, minus_zero, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
55    TEST_ff_f (copysign, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
56    TEST_ff_f (copysign, -qnan_value, minus_zero, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
57
58    TEST_ff_f (copysign, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
59    TEST_ff_f (copysign, qnan_value, -qnan_value, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
60    TEST_ff_f (copysign, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
61    TEST_ff_f (copysign, -qnan_value, -qnan_value, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
62
63    TEST_ff_f (copysign, 0, snan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
64    TEST_ff_f (copysign, 0, -snan_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
65    TEST_ff_f (copysign, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
66    TEST_ff_f (copysign, minus_zero, -snan_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
67
68    TEST_ff_f (copysign, snan_value, 0, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
69    TEST_ff_f (copysign, snan_value, minus_zero, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
70    TEST_ff_f (copysign, -snan_value, 0, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
71    TEST_ff_f (copysign, -snan_value, minus_zero, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
72
73    TEST_ff_f (copysign, qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
74    TEST_ff_f (copysign, qnan_value, -snan_value, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
75    TEST_ff_f (copysign, -qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
76    TEST_ff_f (copysign, -qnan_value, -snan_value, -qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
77
78    TEST_ff_f (copysign, snan_value, qnan_value, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
79    TEST_ff_f (copysign, snan_value, -qnan_value, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
80    TEST_ff_f (copysign, -snan_value, qnan_value, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
81    TEST_ff_f (copysign, -snan_value, -qnan_value, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
82
83    TEST_ff_f (copysign, snan_value, snan_value, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
84    TEST_ff_f (copysign, snan_value, -snan_value, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
85    TEST_ff_f (copysign, -snan_value, snan_value, snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
86    TEST_ff_f (copysign, -snan_value, -snan_value, -snan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED|TEST_NAN_SIGN),
87
88    TEST_ff_f (copysign, min_value, min_subnorm_value, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
89    TEST_ff_f (copysign, min_value, -min_subnorm_value, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
90    TEST_ff_f (copysign, -min_value, min_subnorm_value, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
91    TEST_ff_f (copysign, -min_value, -min_subnorm_value, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
92
93    TEST_ff_f (copysign, min_subnorm_value, max_value, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
94    TEST_ff_f (copysign, min_subnorm_value, -max_value, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
95    TEST_ff_f (copysign, -min_subnorm_value, max_value, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
96    TEST_ff_f (copysign, -min_subnorm_value, -max_value, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
97
98    TEST_ff_f (copysign, max_value, min_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
99    TEST_ff_f (copysign, max_value, -min_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
100    TEST_ff_f (copysign, -max_value, min_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
101    TEST_ff_f (copysign, -max_value, -min_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
102  };
103
104static void
105copysign_test (void)
106{
107  ALL_RM_TEST (copysign, 1, copysign_test_data, RUN_TEST_LOOP_ff_f, END);
108}
109
110static void
111do_test (void)
112{
113  copysign_test ();
114}
115
116/*
117 * Local Variables:
118 * mode:c
119 * End:
120 */
121