| /* 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) |
