--- /dev/null
+/* `NAN' constants for m68k.
+ Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _NAN_H
+
+#define _NAN_H 1
+
+/* IEEE Not A Number. */
+
+#ifdef __GNUC__
+
+#define NAN \
+ (__extension__ \
+ ((union { unsigned long long __l; double __d; }) \
+ { __l: 0x7fffffffffffffffULL }).__d)
+
+#define NANF \
+ (__extension__ \
+ ((union { unsigned long __l; float __f; }) \
+ { __l: 0x7fffffffUL }).__f)
+
+#define NANL \
+ (__extension__ \
+ ((union { unsigned long __l[3]; long double __ld; }) \
+ { __l: { 0x7fff0000UL, 0xffffffffUL, 0xffffffffUL } }).__ld)
+
+#else
+
+static union { unsigned char __c[8]; double __d; } __nan =
+ { { 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define NAN (__nan.__d)
+
+static union { unsigned char __c[4]; float __f; } __nanf =
+ { { 0x7f, 0xff, 0xff, 0xff } };
+#define NANF (__nanf.__f)
+
+static union { unsigned char __c[12]; long double __ld; } __nanl =
+ { { 0x7f, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define NANL (__nanl.__ld)
+
+#endif /* GCC. */
+
+#endif /* nan.h */