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

46 lines
1.7 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) 2008, 2009 William Hart
Copyright (C) 2010 Sebastian Pancratz
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpz_vec.h"
#include "fmpz_poly.h"
void
fmpz_poly_scalar_addmul_fmpz(fmpz_poly_t poly1, const fmpz_poly_t poly2,
const fmpz_t x)
{
if (!fmpz_is_zero(x) && !fmpz_poly_is_zero(poly2))
{
fmpz_poly_fit_length(poly1, poly2->length);
_fmpz_vec_scalar_addmul_fmpz(poly1->coeffs,
poly2->coeffs, poly2->length, x);
_fmpz_poly_set_length(poly1, FLINT_MAX(poly1->length, poly2->length));
_fmpz_poly_normalise(poly1);
}
}