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/*
 * ====================================================
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
 *
 * Developed at SunPro, a Sun Microsystems, Inc. business.
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice 
 * is preserved.
 * ====================================================
 */
 
/*
 * __isnanf(x) returns 1 is x is nan, else 0;
 */
 
#include "fdlibm.h"
 
int
_DEFUN (__isnanf, (x),
	float x)
{
	__int32_t ix;
	GET_FLOAT_WORD(ix,x);
	ix &= 0x7fffffff;
	return FLT_UWORD_IS_NAN(ix);
}
 
#ifdef _DOUBLE_IS_32BITS
 
int
_DEFUN (__isnand, (x),
	double x)
{
	return __isnanf((float) x);
}
 
#endif /* defined(_DOUBLE_IS_32BITS) */