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/* Define iscanonical macro. ldbl-128ibm version.
Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MATH_H
# error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
#endif
extern int __iscanonicall (long double __x)
__THROW __attribute__ ((__const__));
/* Return nonzero value if X is canonical. In IEEE interchange binary
formats, all values are canonical, but the argument must still be
converted to its semantic type for any exceptions arising from the
conversion, before being discarded; in IBM long double, there are
encodings that are not consistently handled as corresponding to any
particular value of the type, and we return 0 for those. */
#define iscanonical(x) \
(sizeof (x) == sizeof (long double) \
? __iscanonicall (x) \
: ((void) (__typeof (x)) (x), 1))
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