mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-18 23:49:57 +00:00
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* Basic tests for llabs.
|
|
Copyright (C) 2023-2024 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)
|
|
{
|
|
long long int i;
|
|
|
|
TEST_COMPARE (llabs (LLONG_MAX), LLONG_MAX);
|
|
TEST_COMPARE (llabs (LLONG_MIN + 1), LLONG_MAX);
|
|
TEST_COMPARE (llabs (0x00000000ffffffffL), 0x00000000ffffffffL);
|
|
TEST_COMPARE (llabs (0x0000000100000000L), 0x0000000100000000L);
|
|
TEST_COMPARE (llabs (0x80000000ffffffffL), 0x7fffffff00000001L);
|
|
TEST_COMPARE (llabs (0x8000000100000000L), 0x7fffffff00000000L);
|
|
TEST_COMPARE (llabs (-1), 1);
|
|
TEST_COMPARE (llabs (0), 0);
|
|
TEST_COMPARE (llabs (1), 1);
|
|
|
|
for (i = LLONG_MIN + 1; i < LLONG_MIN + INT_MAX; i += LARGE_PRIME)
|
|
TEST_COMPARE (llabs (i), -i);
|
|
|
|
for (i = LLONG_MAX - INT_MAX; i < LLONG_MAX - LARGE_PRIME; i += LARGE_PRIME)
|
|
TEST_COMPARE (llabs (i), i);
|
|
|
|
for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME)
|
|
TEST_COMPARE (llabs (i), -i);
|
|
|
|
for (i = 0; i < INT_MAX; i += LARGE_PRIME)
|
|
TEST_COMPARE (llabs (i), i);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|