/* s_isnanl.c -- long double version of s_isnan.c.

 * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.

 */

/*

 * ====================================================

 * 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.

 * ====================================================

 */

#if defined(LIBM_SCCS) && !defined(lint)

static char rcsid[] = "$NetBSD: $";

#endif

/*

 * isnanl(x) returns 1 is x is nan, else 0;

 * no branching!

 */

#include <math.h>

#include <math_private.h>

int __isnanl(_Float128 x)

{

	int64_t hx,lx;

	GET_LDOUBLE_WORDS64(hx,lx,x);

	hx &= 0x7fffffffffffffffLL;

	hx |= (uint64_t)(lx|(-lx))>>63;

	hx = 0x7fff000000000000LL - hx;

	return (int)((uint64_t)hx>>63);

}

mathx_hidden_def (__isnanl)

weak_alias (__isnanl, isnanl)