/* @(#)w_hypot.c 5.1 93/09/24 */

/*

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

 * 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.

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

 */

/*

 * wrapper hypot(x,y)

 */

#include <math.h>

#include <math_private.h>

#include <math-svid-compat.h>

#include <libm-alias-double.h>

#if LIBM_SVID_COMPAT

double

__hypot (double x, double y)

{

	double z = __ieee754_hypot(x,y);

	if(__builtin_expect(!isfinite(z), 0)

	   && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_)

	    return __kernel_standard(x, y, 4); /* hypot overflow */

	return z;

}

libm_alias_double (__hypot, hypot)

#endif