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/*=============================================================================
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) 2010 Fredrik Johansson
******************************************************************************/
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_poly.h"
#include "mpn_extras.h"
#include "ulong_extras.h"
int flint_mpn_factor_trial(mp_srcptr x, mp_size_t xsize, slong start, slong stop)
{
slong i;
const mp_limb_t * primes;
primes = n_primes_arr_readonly(stop);
for (i = start; i < stop; i++)
{
if (flint_mpn_divisible_1_p(x, xsize, primes[i]))
return i;
}
return 0;
}
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