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/* Test totalorderl and totalordermagl for ldbl-96.
Copyright (C) 2016-2023 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 <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"
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