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1 | /* w_jnf.c -- float version of w_jn.c. |
2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. | |
3 | */ | |
4 | ||
5 | /* | |
6 | * ==================================================== | |
7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. | |
8 | * | |
9 | * Developed at SunPro, a Sun Microsystems, Inc. business. | |
10 | * Permission to use, copy, modify, and distribute this | |
9a8fcca0 | 11 | * software is freely granted, provided that this notice |
f7eac6eb RM |
12 | * is preserved. |
13 | * ==================================================== | |
14 | */ | |
15 | ||
16 | #if defined(LIBM_SCCS) && !defined(lint) | |
17 | static char rcsid[] = "$NetBSD: w_jnf.c,v 1.3 1995/05/10 20:49:21 jtc Exp $"; | |
18 | #endif | |
19 | ||
20 | #include "math.h" | |
21 | #include "math_private.h" | |
22 | ||
23 | #ifdef __STDC__ | |
9a8fcca0 | 24 | float jnf(int n, float x) /* wrapper jnf */ |
f7eac6eb | 25 | #else |
9a8fcca0 | 26 | float jnf(n,x) /* wrapper jnf */ |
f7eac6eb RM |
27 | float x; int n; |
28 | #endif | |
29 | { | |
30 | #ifdef _IEEE_LIBM | |
31 | return __ieee754_jnf(n,x); | |
32 | #else | |
33 | float z; | |
34 | z = __ieee754_jnf(n,x); | |
35 | if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z; | |
36 | if(fabsf(x)>(float)X_TLOSS) { | |
37 | /* jn(|x|>X_TLOSS,n) */ | |
38 | return (float)__kernel_standard((double)n,(double)x,138); | |
39 | } else | |
40 | return z; | |
41 | #endif | |
42 | } | |
f7eac6eb RM |
43 | |
44 | #ifdef __STDC__ | |
9a8fcca0 | 45 | float ynf(int n, float x) /* wrapper ynf */ |
f7eac6eb | 46 | #else |
9a8fcca0 | 47 | float ynf(n,x) /* wrapper ynf */ |
f7eac6eb RM |
48 | float x; int n; |
49 | #endif | |
50 | { | |
51 | #ifdef _IEEE_LIBM | |
52 | return __ieee754_ynf(n,x); | |
53 | #else | |
54 | float z; | |
55 | z = __ieee754_ynf(n,x); | |
56 | if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z; | |
57 | if(x <= (float)0.0){ | |
58 | if(x==(float)0.0) | |
59 | /* d= -one/(x-x); */ | |
60 | return (float)__kernel_standard((double)n,(double)x,112); | |
61 | else | |
62 | /* d = zero/(x-x); */ | |
63 | return (float)__kernel_standard((double)n,(double)x,113); | |
64 | } | |
65 | if(x>(float)X_TLOSS) { | |
66 | /* yn(x>X_TLOSS,n) */ | |
67 | return (float)__kernel_standard((double)n,(double)x,139); | |
68 | } else | |
69 | return z; | |
70 | #endif | |
71 | } |