75 lines
2.1 KiB
C
75 lines
2.1 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 <limits.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int main(void)
|
|
{
|
|
int i, result;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
|
|
flint_printf("sdiv_qrnnd....");
|
|
fflush(stdout);
|
|
|
|
for (i = 0; i < 1000000; i++)
|
|
{
|
|
mp_limb_signed_t d, nh, nl, q, r, ph, pl;
|
|
|
|
do
|
|
{
|
|
d = n_randtest_not_zero(state);
|
|
nh = n_randtest(state);
|
|
} while ((FLINT_ABS(nh) >= FLINT_ABS(d)/2) || (nh == WORD_MIN));
|
|
|
|
nl = n_randtest(state);
|
|
|
|
sdiv_qrnnd(q, r, nh, nl, d);
|
|
smul_ppmm(ph, pl, d, q);
|
|
if (r < WORD(0)) sub_ddmmss(ph, pl, ph, pl, UWORD(0), -r);
|
|
else add_ssaaaa(ph, pl, ph, pl, UWORD(0), r);
|
|
|
|
result = ((ph == nh) && (pl == nl));
|
|
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
flint_printf("nh = %wu, nl = %wu, d = %wu\n", nh, nl, d);
|
|
flint_printf("ph = %wu, pl = %wu\n", ph, pl);
|
|
abort();
|
|
}
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|