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- /* Define iscanonical macro.
- Copyright (C) 2016-2019 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
- /* Return nonzero value if X is canonical. By default, we only have
- IEEE interchange binary formats, in which 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. */
- #define iscanonical(x) ((void) (__typeof (x)) (x), 1)
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