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/*
Copyright (C) 2014 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 "arf.h"
void
arf_mul_special(arf_t z, const arf_t x, const arf_t y)
{
if (arf_is_zero(x))
{
if (arf_is_finite(y))
arf_zero(z);
else
arf_nan(z);
}
else if (arf_is_zero(y))
{
if (arf_is_finite(x))
arf_zero(z);
else
arf_nan(z);
}
else if (arf_is_nan(x) || arf_is_nan(y))
arf_nan(z);
else if (arf_sgn(x) == arf_sgn(y))
arf_pos_inf(z);
else
arf_neg_inf(z);
}