pqc/external/flint-2.4.3/fmpz_poly/set_nmod_poly.c

51 lines
1.6 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 <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_vec.h"
#include "fmpz_poly.h"
#include "nmod_poly.h"
void
fmpz_poly_set_nmod_poly(fmpz_poly_t res, const nmod_poly_t poly)
{
slong len = poly->length;
if (len == 0)
{
fmpz_poly_zero(res);
}
else
{
slong i;
fmpz_poly_fit_length(res, len);
for (i = 0; i < len; i++)
fmpz_set_ui_smod(res->coeffs + i, poly->coeffs[i], poly->mod.n);
_fmpz_poly_set_length(res, len);
}
}