| /* Test totalorderl and totalordermagl for ldbl-96. |
| Copyright (C) 2016-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <float.h> |
| #include <math.h> |
| #include <math_ldbl.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| |
| static const uint64_t tests[] = |
| { |
| 0, 1, 0x4000000000000000ULL, 0x4000000000000001ULL, |
| 0x7fffffffffffffffULL |
| }; |
| |
| static int |
| do_test (void) |
| { |
| int result = 0; |
| |
| if (LDBL_MIN_EXP == -16382) |
| for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++) |
| { |
| long double ldx, ldy, ldnx, ldny; |
| /* Verify that the high bit of the mantissa is ignored for |
| infinities and NaNs for the M68K variant of this |
| format. */ |
| SET_LDOUBLE_WORDS (ldx, 0x7fff, |
| tests[i] >> 32, tests[i] & 0xffffffffULL); |
| SET_LDOUBLE_WORDS (ldy, 0x7fff, |
| (tests[i] >> 32) | 0x80000000, |
| tests[i] & 0xffffffffULL); |
| SET_LDOUBLE_WORDS (ldnx, 0xffff, |
| tests[i] >> 32, tests[i] & 0xffffffffULL); |
| SET_LDOUBLE_WORDS (ldny, 0xffff, |
| (tests[i] >> 32) | 0x80000000, |
| tests[i] & 0xffffffffULL); |
| bool to1 = totalorderl (ldx, ldy); |
| bool to2 = totalorderl (ldy, ldx); |
| bool to3 = totalorderl (ldnx, ldny); |
| bool to4 = totalorderl (ldny, ldnx); |
| if (to1 && to2 && to3 && to4) |
| printf ("PASS: test %zu\n", i); |
| else |
| { |
| printf ("FAIL: test %zu\n", i); |
| result = 1; |
| } |
| to1 = totalordermagl (ldx, ldy); |
| to2 = totalordermagl (ldy, ldx); |
| to3 = totalordermagl (ldnx, ldny); |
| to4 = totalordermagl (ldny, ldnx); |
| if (to1 && to2 && to3 && to4) |
| printf ("PASS: test %zu (totalordermagl)\n", i); |
| else |
| { |
| printf ("FAIL: test %zu (totalordermagl)\n", i); |
| result = 1; |
| } |
| } |
| |
| return result; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |
