/*
Copyright (C) 2021 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 "qqbar.h"
void
qqbar_get_fmpz(fmpz_t res, const qqbar_t x)
{
if (qqbar_degree(x) != 1 || !fmpz_is_one(QQBAR_COEFFS(x) + 1))
{
flint_throw(FLINT_ERROR, "qqbar_get_fmpz: not an integer\n");
}
fmpz_neg(res, QQBAR_COEFFS(x));
}