1 
2 /* @(#)w_j1.c 1.3 95/01/18 */
3 /*
4  * ====================================================
5  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6  *
7  * Developed at SunSoft, a Sun Microsystems, Inc. business.
8  * Permission to use, copy, modify, and distribute this
9  * software is freely granted, provided that this notice
10  * is preserved.
11  * ====================================================
12  */
13 
14 /*
15  * wrapper of j1,y1
16  */
17 
18 #include "fdlibm.h"
19 
20 #ifdef __STDC__
ieee_j1(double x)21 	double ieee_j1(double x)		/* wrapper j1 */
22 #else
23 	double ieee_j1(x)			/* wrapper j1 */
24 	double x;
25 #endif
26 {
27 #ifdef _IEEE_LIBM
28 	return __ieee754_j1(x);
29 #else
30 	double z;
31 	z = __ieee754_j1(x);
32 	if(_LIB_VERSION == _IEEE_ || ieee_isnan(x) ) return z;
33 	if(ieee_fabs(x)>X_TLOSS) {
34 	        return __kernel_standard(x,x,36); /* ieee_j1(|x|>X_TLOSS) */
35 	} else
36 	    return z;
37 #endif
38 }
39 
40 #ifdef __STDC__
ieee_y1(double x)41 	double ieee_y1(double x)		/* wrapper y1 */
42 #else
43 	double ieee_y1(x)			/* wrapper y1 */
44 	double x;
45 #endif
46 {
47 #ifdef _IEEE_LIBM
48 	return __ieee754_y1(x);
49 #else
50 	double z;
51 	z = __ieee754_y1(x);
52 	if(_LIB_VERSION == _IEEE_ || ieee_isnan(x) ) return z;
53         if(x <= 0.0){
54                 if(x==0.0)
55                     /* d= -one/(x-x); */
56                     return __kernel_standard(x,x,10);
57                 else
58                     /* d = zero/(x-x); */
59                     return __kernel_standard(x,x,11);
60         }
61 	if(x>X_TLOSS) {
62 	        return __kernel_standard(x,x,37); /* ieee_y1(x>X_TLOSS) */
63 	} else
64 	    return z;
65 #endif
66 }
67