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

68 lines
1.8 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 "flint.h"
#include "arith.h"
#include "fmpz.h"
#include "ulong_extras.h"
int main()
{
fmpz_t s, t;
slong n;
FLINT_TEST_INIT(state);
flint_printf("bernoulli_number_denom....");
fflush(stdout);
fmpz_init(s);
fmpz_init(t);
for (n = 0; n < 1000; n++)
{
arith_bernoulli_number_denom(t, n);
fmpz_addmul_ui(s, t, n_nth_prime(n+1));
}
fmpz_set_str(t, "34549631155954474103407159", 10);
if (!fmpz_equal(s, t))
{
flint_printf("FAIL: Hash disagrees with known value\n");
abort();
}
fmpz_clear(s);
fmpz_clear(t);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}