/* @(#)w_j0.c 1.3 95/01/18 */

/*

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

 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

 *

 * Developed at SunSoft, a Sun Microsystems, Inc. business.

 * Permission to use, copy, modify, and distribute this

 * software is freely granted, provided that this notice 

 * is preserved.

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

 */

/*

 * wrapper j0(double x), y0(double x)

 */

#include "fdlibm.h"

#ifdef __STDC__

	double j0(double x)		/* wrapper j0 */

#else

	double j0(x)			/* wrapper j0 */

	double x;

#endif

{

#ifdef _IEEE_LIBM

	return __ieee754_j0(x);

#else

	double z = __ieee754_j0(x);

	if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;

	if(fabs(x)>X_TLOSS) {

	        return __kernel_standard(x,x,34); /* j0(|x|>X_TLOSS) */

	} else

	    return z;

#endif

}

#ifdef __STDC__

	double y0(double x)		/* wrapper y0 */

#else

	double y0(x)			/* wrapper y0 */

	double x;

#endif

{

#ifdef _IEEE_LIBM

	return __ieee754_y0(x);

#else

	double z;

	z = __ieee754_y0(x);

	if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;

        if(x <= 0.0){

                if(x==0.0)

                    /* d= -one/(x-x); */

                    return __kernel_standard(x,x,8);

                else

                    /* d = zero/(x-x); */

                    return __kernel_standard(x,x,9);

        }

	if(x>X_TLOSS) {

	        return __kernel_standard(x,x,35); /* y0(x>X_TLOSS) */

	} else

	    return z;

#endif

}