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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [math/] [s_nan.c] - Rev 39

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/*
 * nan () returns a nan.
 * Added by Cygnus Support.
 */
 
/*
FUNCTION
	<<nan>>, <<nanf>>---representation of infinity
 
INDEX
	nan
INDEX
	nanf
 
ANSI_SYNOPSIS
	#include <math.h>
	double nan(void);
	float nanf(void);
 
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 respectivly.
 
QUICKREF
	nan - pure
 
*/
 
#include "fdlibm.h"
 
#ifndef _DOUBLE_IS_32BITS
 
	double nan()
{
	double x;
 
	INSERT_WORDS(x,0x7ff80000,0);
	return x;
}
 
#endif /* _DOUBLE_IS_32BITS */
 

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