diff options
Diffstat (limited to 'libc/sysdeps/linux/i386/bits/nan.h')
-rw-r--r-- | libc/sysdeps/linux/i386/bits/nan.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/libc/sysdeps/linux/i386/bits/nan.h b/libc/sysdeps/linux/i386/bits/nan.h deleted file mode 100644 index 6d88b551b..000000000 --- a/libc/sysdeps/linux/i386/bits/nan.h +++ /dev/null @@ -1,48 +0,0 @@ -/* `NAN' constant for IEEE 754 machines. - Copyright (C) 1992, 1996, 1997, 1999 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _MATH_H -# error "Never use <bits/nan.h> directly; include <math.h> instead." -#endif - - -/* IEEE Not A Number. */ - -#ifdef __GNUC__ - -# define NAN \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ - { __l: 0x7fc00000UL }).__d) - -#else - -# include <endian.h> - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __nan_bytes { 0x7f, 0xc0, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __nan_bytes { 0, 0, 0xc0, 0x7f } -# endif - -static union { unsigned char __c[4]; float __d; } __nan_union = { __nan_bytes }; -# define NAN (__nan_union.__d) - -#endif /* GCC. */ |