/*
Copyright (C) 2023 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 "gr_poly.h"
int
gr_poly_one(gr_poly_t res, gr_ctx_t ctx)
{
int status;
gr_poly_fit_length(res, 1, ctx);
_gr_poly_set_length(res, 1, ctx);
status = gr_one(res->coeffs, ctx);
/* we may be in the zero ring */
res->length -= (gr_is_zero(res->coeffs, ctx) == T_TRUE);
return status;
}