projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| cc6a8d74 | 1 | /* Test totalorderl and totalordermagl for ldbl-96. |
| 04277e02 | 2 | Copyright (C) 2016-2019 Free Software Foundation, Inc. |
| 5e9d98a3 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/>. */ |
| 5e9d98a3 JM |
18 | |
| 19 | #include <float.h> | |
| 20 | #include <math.h> | |
| 963394a2 | 21 | #include <math_ldbl.h> |
| 5e9d98a3 JM |
22 | #include <stdbool.h> |
| 23 | #include <stdint.h> | |
| 24 | #include <stdio.h> | |
| 25 | ||
| 26 | static const uint64_t tests[] = | |
| 27 | { | |
| 28 | 0, 1, 0x4000000000000000ULL, 0x4000000000000001ULL, | |
| 29 | 0x7fffffffffffffffULL | |
| 30 | }; | |
| 31 | ||
| 32 | static int | |
| 33 | do_test (void) | |
| 34 | { | |
| 35 | int result = 0; | |
| 36 | ||
| 37 | if (LDBL_MIN_EXP == -16382) | |
| 38 | for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++) | |
| 39 | { | |
| 40 | long double ldx, ldy, ldnx, ldny; | |
| 41 | /* Verify that the high bit of the mantissa is ignored for | |
| 42 | infinities and NaNs for the M68K variant of this | |
| 43 | format. */ | |
| 44 | SET_LDOUBLE_WORDS (ldx, 0x7fff, | |
| 45 | tests[i] >> 32, tests[i] & 0xffffffffULL); | |
| 46 | SET_LDOUBLE_WORDS (ldy, 0x7fff, | |
| 47 | (tests[i] >> 32) | 0x80000000, | |
| 48 | tests[i] & 0xffffffffULL); | |
| 49 | SET_LDOUBLE_WORDS (ldnx, 0xffff, | |
| 50 | tests[i] >> 32, tests[i] & 0xffffffffULL); | |
| 51 | SET_LDOUBLE_WORDS (ldny, 0xffff, | |
| 52 | (tests[i] >> 32) | 0x80000000, | |
| 53 | tests[i] & 0xffffffffULL); | |
| 42760d76 JM |
54 | bool to1 = totalorderl (&ldx, &ldy); |
| 55 | bool to2 = totalorderl (&ldy, &ldx); | |
| 56 | bool to3 = totalorderl (&ldnx, &ldny); | |
| 57 | bool to4 = totalorderl (&ldny, &ldnx); | |
| 5e9d98a3 JM |
58 | if (to1 && to2 && to3 && to4) |
| 59 | printf ("PASS: test %zu\n", i); | |
| 60 | else | |
| 61 | { | |
| 62 | printf ("FAIL: test %zu\n", i); | |
| 63 | result = 1; | |
| 64 | } | |
| 42760d76 JM |
65 | to1 = totalordermagl (&ldx, &ldy); |
| 66 | to2 = totalordermagl (&ldy, &ldx); | |
| 67 | to3 = totalordermagl (&ldnx, &ldny); | |
| 68 | to4 = totalordermagl (&ldny, &ldnx); | |
| cc6a8d74 JM |
69 | if (to1 && to2 && to3 && to4) |
| 70 | printf ("PASS: test %zu (totalordermagl)\n", i); | |
| 71 | else | |
| 72 | { | |
| 73 | printf ("FAIL: test %zu (totalordermagl)\n", i); | |
| 74 | result = 1; | |
| 75 | } | |
| 5e9d98a3 JM |
76 | } |
| 77 | ||
| 78 | return result; | |
| 79 | } | |
| 80 | ||
| 81 | #define TEST_FUNCTION do_test () | |
| 82 | #include "../test-skeleton.c" |