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/* Lightweight function to test for ieee unordered comparison
Copyright (C) 2002
Free Software Foundation, Inc.
Contributed by Ian Dall <ian@beware.dropbear.id.au>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
# define ISNAN(x) ( \
{ \
union u { double d; unsigned int i[2]; } *t = (union u *)&(x); \
((t->i[1] & 0x7ff00000) == 0x7ff00000) && \
(t->i[0] != 0 || (t->i[1] & 0xfffff) != 0); \
})
int __unorddf2 (double, double);
int __unorddf2 (double a, double b)
{
return ISNAN(a) || ISNAN(b);
}
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