pqc/external/flint-2.4.3/arith/test/t-bell_number_nmod.c

78 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) 2011 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include <mpfr.h>
#include "flint.h"
#include "arith.h"
#include "fmpz_vec.h"
#include "ulong_extras.h"
int main(void)
{
slong i, j;
FLINT_TEST_INIT(state);
flint_printf("bell_number_nmod....");
fflush(stdout);
for (i = 0; i < 10; i++)
{
mp_ptr b;
slong n;
nmod_t mod;
mp_limb_t p;
n = n_randint(state, 1000);
p = n_randtest_prime(state, 0);
nmod_init(&mod, p);
b = _nmod_vec_init(n + 1);
arith_bell_number_nmod_vec(b, n + 1, mod);
for (j = 0; j <= n; j++)
{
mp_limb_t u = arith_bell_number_nmod(j, mod);
if (u != b[j])
{
flint_printf("FAIL: p = %wu, i = %wd\n", p, j);
abort();
}
}
_nmod_vec_clear(b);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}