pqc/external/flint-2.4.3/arith/test/t-landau_function_vec.c
2014-05-24 23:16:06 +02:00

71 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) 2011 Fredrik Johansson
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "arith.h"
#include "fmpz_vec.h"
static const mp_limb_t known[] = {
1, 1, 2, 3, 4, 6, 6, 12, 15, 20, 30, 30, 60, 60, 84, 105, 140, 210,
210, 420, 420, 420, 420, 840, 840, 1260, 1260, 1540, 2310, 2520,
4620, 4620, 5460, 5460, 9240, 9240, 13860, 13860, 16380, 16380,
27720, 30030, 32760, 60060, 60060, 60060, 60060, 120120
};
int main(void)
{
fmpz * res;
slong k, n;
FLINT_TEST_INIT(state);
flint_printf("landau_function_vec....");
fflush(stdout);
n = 45;
res = _fmpz_vec_init(n);
arith_landau_function_vec(res, n);
for (k = 0; k < n; k++)
{
if (fmpz_cmp_ui(res + k, known[k]))
{
flint_printf("FAIL:\n");
flint_printf("k = %wd, res[k] = %wd, expected: %wd\n",
k, fmpz_get_si(res + k), known[k]);
abort();
}
}
_fmpz_vec_clear(res, n);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}