1/* Test significand.
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_f_f_data significand_test_data[] =
22  {
23#if !TEST_FLOATN
24    /* significand returns the mantissa of the exponential
25       representation.  Tests for infinities, zero and NaNs reflect
26       the implementation (including possibility of "inexact" and
27       variations between architectures) rather than any
28       specification.  */
29    TEST_f_f (significand, qnan_value, qnan_value, INVALID_EXCEPTION_OK),
30    TEST_f_f (significand, -qnan_value, qnan_value, INVALID_EXCEPTION_OK),
31    TEST_f_f (significand, snan_value, qnan_value, INVALID_EXCEPTION),
32    TEST_f_f (significand, -snan_value, qnan_value, INVALID_EXCEPTION),
33    TEST_f_f (significand, plus_infty, plus_infty, INVALID_EXCEPTION_OK),
34    TEST_f_f (significand, minus_infty, minus_infty, INVALID_EXCEPTION_OK),
35    TEST_f_f (significand, 0, 0, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
36    TEST_f_f (significand, minus_zero, minus_zero, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),
37    TEST_f_f (significand, min_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
38    TEST_f_f (significand, -min_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
39    TEST_f_f (significand, min_subnorm_value, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
40    TEST_f_f (significand, -min_subnorm_value, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
41    TEST_f_f (significand, 1.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
42    TEST_f_f (significand, -1.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
43    TEST_f_f (significand, 4.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
44    TEST_f_f (significand, -4.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
45    TEST_f_f (significand, 6.0, 1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
46    TEST_f_f (significand, -6.0, -1.5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
47    TEST_f_f (significand, 8.0, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
48    TEST_f_f (significand, -8.0, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
49#endif
50  };
51
52static void
53significand_test (void)
54{
55#if !TEST_FLOATN
56  ALL_RM_TEST (significand, 1, significand_test_data, RUN_TEST_LOOP_f_f, END);
57#endif
58}
59
60static void
61do_test (void)
62{
63  significand_test ();
64}
65
66/*
67 * Local Variables:
68 * mode:c
69 * End:
70 */
71