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1 | /* w_j0f.c -- float version of w_j0.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_j0f.c,v 1.3 1995/05/10 20:49:13 jtc Exp $"; | |
18 | #endif | |
19 | ||
20 | /* | |
21 | * wrapper j0f(float x), y0f(float x) | |
22 | */ | |
23 | ||
9d13fb24 | 24 | #include <math.h> |
f7eac6eb RM |
25 | #include "math_private.h" |
26 | ||
27 | #ifdef __STDC__ | |
9a8fcca0 | 28 | float j0f(float x) /* wrapper j0f */ |
f7eac6eb | 29 | #else |
9a8fcca0 | 30 | float j0f(x) /* wrapper j0f */ |
f7eac6eb RM |
31 | float x; |
32 | #endif | |
33 | { | |
34 | #ifdef _IEEE_LIBM | |
35 | return __ieee754_j0f(x); | |
36 | #else | |
37 | float z = __ieee754_j0f(x); | |
38 | if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z; | |
39 | if(fabsf(x)>(float)X_TLOSS) { | |
40 | /* j0f(|x|>X_TLOSS) */ | |
41 | return (float)__kernel_standard((double)x,(double)x,134); | |
42 | } else | |
43 | return z; | |
44 | #endif | |
45 | } | |
f7eac6eb RM |
46 | |
47 | #ifdef __STDC__ | |
9a8fcca0 | 48 | float y0f(float x) /* wrapper y0f */ |
f7eac6eb | 49 | #else |
9a8fcca0 | 50 | float y0f(x) /* wrapper y0f */ |
f7eac6eb RM |
51 | float x; |
52 | #endif | |
53 | { | |
54 | #ifdef _IEEE_LIBM | |
55 | return __ieee754_y0f(x); | |
56 | #else | |
57 | float z; | |
58 | z = __ieee754_y0f(x); | |
59 | if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z; | |
60 | if(x <= (float)0.0){ | |
61 | if(x==(float)0.0) | |
62 | /* d= -one/(x-x); */ | |
63 | return (float)__kernel_standard((double)x,(double)x,108); | |
64 | else | |
65 | /* d = zero/(x-x); */ | |
66 | return (float)__kernel_standard((double)x,(double)x,109); | |
67 | } | |
68 | if(x>(float)X_TLOSS) { | |
69 | /* y0(x>X_TLOSS) */ | |
70 | return (float)__kernel_standard((double)x,(double)x,135); | |
71 | } else | |
72 | return z; | |
73 | #endif | |
74 | } |