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stdlib/tst-uabs.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Basic tests for uabs. Copyright (C) 2025-2026 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 <https://www.gnu.org/licenses/>. */ #include <limits.h> #include <stdlib.h> #include <support/check.h> #define LARGE_PRIME 49999 static int do_test (void) { int i; TEST_COMPARE (uabs (INT_MAX), INT_MAX); TEST_COMPARE (uabs (INT_MIN), (unsigned int)INT_MAX + 1); TEST_COMPARE (uabs (-1), 1); TEST_COMPARE (uabs (0), 0); TEST_COMPARE (uabs (1), 1); for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME) TEST_COMPARE (uabs (i), -i); for (i = 0; i < INT_MAX - LARGE_PRIME; i += LARGE_PRIME) TEST_COMPARE (uabs (i), i); return EXIT_SUCCESS; } #include <support/test-driver.c>