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/*
Copyright (C) 2015 Fredrik Johansson
This file is part of FLINT.
FLINT 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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "acb_poly.h"
void
acb_poly_add_si(acb_poly_t res, const acb_poly_t x, slong y, slong prec)
{
slong len = x->length;
if (len == 0)
{
acb_poly_set_si(res, y);
}
else
{
acb_poly_fit_length(res, len);
if (y >= 0)
acb_add_ui(res->coeffs, x->coeffs, y, prec);
else
acb_sub_ui(res->coeffs, x->coeffs, -y, prec);
if (res != x)
_acb_vec_set(res->coeffs + 1, x->coeffs + 1, len - 1);
_acb_poly_set_length(res, len);
_acb_poly_normalise(res);
}
}