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5cbb5849 | 1 | /* Test frexp. |
2b778ceb | 2 | Copyright (C) 1997-2021 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
5cbb5849 | 18 | |
92061bb0 JM |
19 | #include "libm-test-driver.c" |
20 | ||
5cbb5849 JM |
21 | static const struct test_f_f1_data frexp_test_data[] = |
22 | { | |
23 | TEST_fI_f1 (frexp, plus_infty, plus_infty, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
24 | TEST_fI_f1 (frexp, minus_infty, minus_infty, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
25 | TEST_fI_f1 (frexp, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
26 | TEST_fI_f1 (frexp, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
27 | TEST_fI_f1 (frexp, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), | |
28 | TEST_fI_f1 (frexp, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION), | |
29 | ||
30 | TEST_fI_f1 (frexp, 0.0, 0.0, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
31 | TEST_fI_f1 (frexp, minus_zero, minus_zero, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
32 | ||
33 | TEST_fI_f1 (frexp, 12.8L, 0.8L, 4, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
34 | TEST_fI_f1 (frexp, -27.34L, -0.854375L, 5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
35 | TEST_fI_f1 (frexp, 0.25L, 0.5L, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
36 | TEST_fI_f1 (frexp, 0.5L, 0.5L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
37 | TEST_fI_f1 (frexp, 1.0L, 0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
38 | TEST_fI_f1 (frexp, -1.0L, -0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
39 | TEST_fI_f1 (frexp, 2.0L, 0.5L, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
40 | TEST_fI_f1 (frexp, 4.0L, 0.5L, 3, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
41 | TEST_fI_f1 (frexp, 0x1p127L, 0.5L, 128, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
42 | TEST_fI_f1 (frexp, -0x1p127L, -0.5L, 128, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
43 | TEST_fI_f1 (frexp, 0x1p-126L, 0.5L, -125, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
44 | TEST_fI_f1 (frexp, 0x1p-127L, 0.5L, -126, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
45 | TEST_fI_f1 (frexp, 0x1p-149L, 0.5L, -148, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
46 | TEST_fI_f1 (frexp, -0x1p-149L, -0.5L, -148, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
47 | #if !TEST_COND_binary32 | |
48 | TEST_fI_f1 (frexp, 0x1p1023L, 0.5L, 1024, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
49 | TEST_fI_f1 (frexp, -0x1p1023L, -0.5L, 1024, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
50 | TEST_fI_f1 (frexp, 0x1p-1022L, 0.5L, -1021, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
51 | TEST_fI_f1 (frexp, 0x1p-1023L, 0.5L, -1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
52 | TEST_fI_f1 (frexp, 0x1p-1074L, 0.5L, -1073, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
53 | TEST_fI_f1 (frexp, -0x1p-1074L, -0.5L, -1073, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
54 | #endif | |
55 | #if MIN_EXP <= -16381 | |
56 | TEST_fI_f1 (frexp, 0x1p16383L, 0.5L, 16384, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
57 | TEST_fI_f1 (frexp, -0x1p16383L, -0.5L, 16384, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
58 | TEST_fI_f1 (frexp, 0x1p-16382L, 0.5L, -16381, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
59 | TEST_fI_f1 (frexp, 0x1p-16383L, 0.5L, -16382, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
60 | TEST_fI_f1 (frexp, 0x1p-16445L, 0.5L, -16444, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
61 | TEST_fI_f1 (frexp, -0x1p-16445L, -0.5L, -16444, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
62 | # if MANT_DIG >= 113 | |
63 | TEST_fI_f1 (frexp, 0x1p-16494L, 0.5L, -16493, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
64 | TEST_fI_f1 (frexp, -0x1p-16494L, -0.5L, -16493, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
65 | # endif | |
66 | #endif | |
67 | ||
68 | #if MANT_DIG >= 106 | |
69 | TEST_fI_f1 (frexp, 1.0L - 0x1p-106L, 1.0L - 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
70 | TEST_fI_f1 (frexp, 1.0L, 0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
71 | TEST_fI_f1 (frexp, 1.0L + 0x1p-105L, 0.5L + 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
72 | TEST_fI_f1 (frexp, -1.0L + 0x1p-106L, -1.0L + 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
73 | TEST_fI_f1 (frexp, -1.0L, -0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
74 | TEST_fI_f1 (frexp, -1.0L - 0x1p-105L, -0.5L - 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED), | |
75 | #endif | |
76 | }; | |
77 | ||
78 | static void | |
79 | frexp_test (void) | |
80 | { | |
81 | int x; | |
82 | ||
83 | ALL_RM_TEST (frexp, 1, frexp_test_data, RUN_TEST_LOOP_fI_f1, END, x); | |
84 | } | |
85 | ||
92061bb0 JM |
86 | static void |
87 | do_test (void) | |
88 | { | |
89 | frexp_test (); | |
90 | } | |
91 | ||
5cbb5849 JM |
92 | /* |
93 | * Local Variables: | |
94 | * mode:c | |
95 | * End: | |
96 | */ |