pqc/external/flint-2.4.3/mpn_extras/divides.c
2014-05-24 23:16:06 +02:00

40 lines
1.4 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 William Hart
******************************************************************************/
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "mpn_extras.h"
int flint_mpn_divides(mp_ptr q, mp_srcptr array1,
mp_size_t limbs1, mp_srcptr arrayg, mp_size_t limbsg, mp_ptr temp)
{
mpn_tdiv_qr(q, temp, 0, array1, limbs1, arrayg, limbsg);
while ((limbsg) && temp[limbsg - 1] == 0) limbsg--;
return (limbsg == 0);
}