/* Copyright (C) 2019 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 . */ #include "arb.h" int arb_sgn_nonzero(const arb_t x) { if (arb_is_positive(x)) return 1; else if (arb_is_negative(x)) return -1; else return 0; }