1 /* `NAN' constants for m68k.
2 Copyright (C) 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 /* IEEE Not A Number. */
30 ((union { unsigned long long __l; double __d; }) \
31 { __l: 0x7fffffffffffffffULL }).__d)
35 ((union { unsigned long __l; float __f; }) \
36 { __l: 0x7fffffffUL }).__f)
40 ((union { unsigned long __l[3]; long double __ld; }) \
41 { __l: { 0x7fff0000UL, 0xffffffffUL, 0xffffffffUL } }).__ld)
45 static union { unsigned char __c[8]; double __d; } __nan =
46 { { 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
47 #define NAN (__nan.__d)
49 static union { unsigned char __c[4]; float __f; } __nanf =
50 { { 0x7f, 0xff, 0xff, 0xff } };
51 #define NANF (__nanf.__f)
53 static union { unsigned char __c[12]; long double __ld; } __nanl =
54 { { 0x7f, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
55 #define NANL (__nanl.__ld)