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/*
 * nan () returns a nan.
 * Added by Cygnus Support.
 */
 
/*
FUNCTION
	<<nan>>, <<nanf>>---representation of ``Not a Number''
 
INDEX
	nan
INDEX
	nanf
 
ANSI_SYNOPSIS
	#include <math.h>
	double nan(const char *);
	float nanf(const char *);
 
TRAD_SYNOPSIS
	#include <math.h>
	double nan();
	float nanf();
 
 
DESCRIPTION
	<<nan>> and <<nanf>> return an IEEE NaN (Not a Number) in
	double- and single-precision arithmetic respectively.  The
	argument is currently disregarded.
 
QUICKREF
	nan - pure
 
*/
 
#include "fdlibm.h"
 
#ifndef _DOUBLE_IS_32BITS
 
	double nan(const char *unused)
{
	double x;
 
	INSERT_WORDS(x,0x7ff80000,0);
	return x;
}
 
#endif /* _DOUBLE_IS_32BITS */