Subversion Repositories shark

Rev

Blame | Last modification | View Log | RSS feed

/* @(#)w_j0.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.
 * ====================================================
 */


#ifndef lint
static char rcsid[] = "$\Id: w_j0.c,v 1.2.6.1 1997/03/03 14:21:04 bde Exp $";
#endif

/*
 * wrapper j0(double x)
 */


#include "math.h"
#include "math_private.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
}