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/*
Copyright (C) 2012 Fredrik Johansson
This file is part of Arb.
Arb is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "arb_poly.h"
void
_arb_poly_add(arb_ptr res, arb_srcptr poly1, slong len1,
arb_srcptr poly2, slong len2, slong prec)
{
slong i, min = FLINT_MIN(len1, len2);
for (i = 0; i < min; i++)
arb_add(res + i, poly1 + i, poly2 + i, prec);
for (i = min; i < len1; i++)
arb_set_round(res + i, poly1 + i, prec);
for (i = min; i < len2; i++)
arb_set_round(res + i, poly2 + i, prec);
}
void
arb_poly_add(arb_poly_t res, const arb_poly_t poly1,
const arb_poly_t poly2, slong prec)
{
slong max = FLINT_MAX(poly1->length, poly2->length);
arb_poly_fit_length(res, max);
_arb_poly_add(res->coeffs, poly1->coeffs, poly1->length, poly2->coeffs,
poly2->length, prec);
_arb_poly_set_length(res, max);
_arb_poly_normalise(res);
}
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