mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-14 07:10:05 +00:00
29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
/* Define iscanonical macro.
|
|
Copyright (C) 2016-2020 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
|
|
<https://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)
|