1/* @(#)w_j1.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#include <sys/cdefs.h>
14#if defined(LIBM_SCCS) && !defined(lint)
15__RCSID("$NetBSD: w_j1.c,v 1.8 1999/07/02 15:37:44 simonb Exp $");
16#endif
17
18/*
19 * wrapper of j1,y1
20 */
21
22#include "math.h"
23#include "math_private.h"
24
25double
26j1(double x)		/* wrapper j1 */
27{
28#ifdef _IEEE_LIBM
29	return __ieee754_j1(x);
30#else
31	double z;
32	z = __ieee754_j1(x);
33	if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
34	if(fabs(x)>X_TLOSS) {
35	        return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */
36	} else
37	    return z;
38#endif
39}
40
41double
42y1(double x)		/* wrapper y1 */
43{
44#ifdef _IEEE_LIBM
45	return __ieee754_y1(x);
46#else
47	double z;
48	z = __ieee754_y1(x);
49	if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
50        if(x <= 0.0){
51                if(x==0.0)
52                    /* d= -one/(x-x); */
53                    return __kernel_standard(x,x,10);
54                else
55                    /* d = zero/(x-x); */
56                    return __kernel_standard(x,x,11);
57        }
58	if(x>X_TLOSS) {
59	        return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */
60	} else
61	    return z;
62#endif
63}
64