/* Define iscanonical macro. ldbl-96 version. Copyright (C) 2016-2017 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 . */ #ifndef _MATH_H # error "Never use directly; include instead." #endif extern int __iscanonicall (long double __x) __THROW __attribute__ ((__const__)); #define __iscanonicalf(x) ((void) (__typeof (x)) (x), 1) #define __iscanonical(x) ((void) (__typeof (x)) (x), 1) /* 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 extended precision, 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) __MATH_TG ((x), __iscanonical, (x))