2 Copyright (C) 1997-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include "libm-test-driver.c"
21 static const struct test_f_i_data signbit_test_data[] =
23 TEST_f_b (signbit, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
24 TEST_f_b (signbit, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
25 TEST_f_b (signbit, plus_infty, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
26 TEST_f_b (signbit, minus_infty, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
27 TEST_f_b (signbit, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
28 TEST_f_b (signbit, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
29 TEST_f_b (signbit, snan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
30 TEST_f_b (signbit, -snan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
32 /* signbit (x) != 0 for x < 0. */
33 TEST_f_b (signbit, -1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
34 TEST_f_b (signbit, -min_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
35 TEST_f_b (signbit, -min_subnorm_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
36 TEST_f_b (signbit, -max_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
37 /* signbit (x) == 0 for x >= 0. */
38 TEST_f_b (signbit, 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
39 TEST_f_b (signbit, min_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
40 TEST_f_b (signbit, min_subnorm_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
41 TEST_f_b (signbit, max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
47 ALL_RM_TEST (signbit, 1, signbit_test_data, RUN_TEST_LOOP_f_b_tg, END);