1*2fe8fb19SBen Gras /* @(#)w_j1.c 5.1 93/09/24 */
2*2fe8fb19SBen Gras /*
3*2fe8fb19SBen Gras * ====================================================
4*2fe8fb19SBen Gras * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5*2fe8fb19SBen Gras *
6*2fe8fb19SBen Gras * Developed at SunPro, a Sun Microsystems, Inc. business.
7*2fe8fb19SBen Gras * Permission to use, copy, modify, and distribute this
8*2fe8fb19SBen Gras * software is freely granted, provided that this notice
9*2fe8fb19SBen Gras * is preserved.
10*2fe8fb19SBen Gras * ====================================================
11*2fe8fb19SBen Gras */
12*2fe8fb19SBen Gras
13*2fe8fb19SBen Gras #include <sys/cdefs.h>
14*2fe8fb19SBen Gras #if defined(LIBM_SCCS) && !defined(lint)
15*2fe8fb19SBen Gras __RCSID("$NetBSD: w_j1.c,v 1.9 2002/05/26 22:02:01 wiz Exp $");
16*2fe8fb19SBen Gras #endif
17*2fe8fb19SBen Gras
18*2fe8fb19SBen Gras /*
19*2fe8fb19SBen Gras * wrapper of j1,y1
20*2fe8fb19SBen Gras */
21*2fe8fb19SBen Gras
22*2fe8fb19SBen Gras #include "math.h"
23*2fe8fb19SBen Gras #include "math_private.h"
24*2fe8fb19SBen Gras
25*2fe8fb19SBen Gras double
j1(double x)26*2fe8fb19SBen Gras j1(double x) /* wrapper j1 */
27*2fe8fb19SBen Gras {
28*2fe8fb19SBen Gras #ifdef _IEEE_LIBM
29*2fe8fb19SBen Gras return __ieee754_j1(x);
30*2fe8fb19SBen Gras #else
31*2fe8fb19SBen Gras double z;
32*2fe8fb19SBen Gras z = __ieee754_j1(x);
33*2fe8fb19SBen Gras if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
34*2fe8fb19SBen Gras if(fabs(x)>X_TLOSS) {
35*2fe8fb19SBen Gras return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */
36*2fe8fb19SBen Gras } else
37*2fe8fb19SBen Gras return z;
38*2fe8fb19SBen Gras #endif
39*2fe8fb19SBen Gras }
40*2fe8fb19SBen Gras
41*2fe8fb19SBen Gras double
y1(double x)42*2fe8fb19SBen Gras y1(double x) /* wrapper y1 */
43*2fe8fb19SBen Gras {
44*2fe8fb19SBen Gras #ifdef _IEEE_LIBM
45*2fe8fb19SBen Gras return __ieee754_y1(x);
46*2fe8fb19SBen Gras #else
47*2fe8fb19SBen Gras double z;
48*2fe8fb19SBen Gras z = __ieee754_y1(x);
49*2fe8fb19SBen Gras if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
50*2fe8fb19SBen Gras if(x <= 0.0){
51*2fe8fb19SBen Gras if(x==0.0)
52*2fe8fb19SBen Gras /* d= -one/(x-x); */
53*2fe8fb19SBen Gras return __kernel_standard(x,x,10);
54*2fe8fb19SBen Gras else
55*2fe8fb19SBen Gras /* d = zero/(x-x); */
56*2fe8fb19SBen Gras return __kernel_standard(x,x,11);
57*2fe8fb19SBen Gras }
58*2fe8fb19SBen Gras if(x>X_TLOSS) {
59*2fe8fb19SBen Gras return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */
60*2fe8fb19SBen Gras } else
61*2fe8fb19SBen Gras return z;
62*2fe8fb19SBen Gras #endif
63*2fe8fb19SBen Gras }
64