pqc/external/flint-2.4.3/test/t-sub_ddmmss.c

73 lines
2.0 KiB
C

/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2009 William Hart
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
int main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("sub_ddmmss....");
fflush(stdout);
for (i = 0; i < 1000000; i++)
{
mp_limb_t dh1, dl1, dh2, dl2, mh, ml, sh, sl;
mh = n_randtest(state);
ml = n_randtest(state);
sh = n_randtest(state);
sl = n_randtest(state);
sub_ddmmss(dh1, dl1, mh, ml, sh, sl);
dl2 = ml - sl;
dh2 = -(sl > ml);
dh2 += mh;
dh2 -= sh;
result = ((dh2 == dh1) && (dl2 == dl1));
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("mh = %wu, ml = %wu, sh = %wu, sl = %wu\n", mh, ml, sh, sl);
flint_printf("dh2 = %wu, dh1 = %wu, dl2 = %wu, dl1 = %wu\n", dh2, dh1, dl2, dl1);
abort();
}
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}