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5cbb5849 | 1 | /* Test significand. |
04277e02 | 2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. |
5cbb5849 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 | ||
92061bb0 JM |
19 | #include "libm-test-driver.c" |
20 | ||
5cbb5849 JM |
21 | static const struct test_f_f_data significand_test_data[] = |
22 | { | |
3c023dbf | 23 | #if !TEST_FLOATN |
5cbb5849 JM |
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), | |
3c023dbf | 49 | #endif |
5cbb5849 JM |
50 | }; |
51 | ||
52 | static void | |
53 | significand_test (void) | |
54 | { | |
3c023dbf | 55 | #if !TEST_FLOATN |
5cbb5849 | 56 | ALL_RM_TEST (significand, 1, significand_test_data, RUN_TEST_LOOP_f_f, END); |
3c023dbf | 57 | #endif |
5cbb5849 JM |
58 | } |
59 | ||
92061bb0 JM |
60 | static void |
61 | do_test (void) | |
62 | { | |
63 | significand_test (); | |
64 | } | |
65 | ||
5cbb5849 JM |
66 | /* |
67 | * Local Variables: | |
68 | * mode:c | |
69 | * End: | |
70 | */ |