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38 lines
885 B
C
38 lines
885 B
C
/*
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Copyright (C) 2014 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "arf.h"
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void
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arf_mul_special(arf_t z, const arf_t x, const arf_t y)
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{
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if (arf_is_zero(x))
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{
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if (arf_is_finite(y))
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arf_zero(z);
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else
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arf_nan(z);
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}
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else if (arf_is_zero(y))
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{
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if (arf_is_finite(x))
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arf_zero(z);
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else
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arf_nan(z);
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}
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else if (arf_is_nan(x) || arf_is_nan(y))
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arf_nan(z);
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else if (arf_sgn(x) == arf_sgn(y))
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arf_pos_inf(z);
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else
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arf_neg_inf(z);
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}
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