/*
Copyright (C) 2019 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 "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;
}