Subversion Repositories Kolibri OS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4973 right-hear 1
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
2
/* w_j1f.c -- float version of w_j1.c.
3
 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
4
 */
5
 
6
/*
7
 * ====================================================
8
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
9
 *
10
 * Developed at SunPro, a Sun Microsystems, Inc. business.
11
 * Permission to use, copy, modify, and distribute this
12
 * software is freely granted, provided that this notice
13
 * is preserved.
14
 * ====================================================
15
 */
16
 
17
#if defined(LIBM_SCCS) && !defined(lint)
18
static char rcsid[] = "$Id: w_j1f.c,v 1.1 1994/08/10 20:34:39 jtc Exp $";
19
#endif
20
 
21
/*
22
 * wrapper of j1f,y1f
23
 */
24
 
25
#include "math.h"
26
#include "math_private.h"
27
 
28
#ifdef __STDC__
29
	float j1f(float x)		/* wrapper j1f */
30
#else
31
	float j1f(x)			/* wrapper j1f */
32
	float x;
33
#endif
34
{
35
#ifdef _IEEE_LIBM
36
	return __ieee754_j1f(x);
37
#else
38
	float z;
39
	z = __ieee754_j1f(x);
40
	if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z;
41
	if(fabsf(x)>(float)X_TLOSS) {
42
		/* j1(|x|>X_TLOSS) */
43
	        return (float)__kernel_standard((double)x,(double)x,136);
44
	} else
45
	    return z;
46
#endif
47
}
48
 
49
#ifdef __STDC__
50
	float y1f(float x)		/* wrapper y1f */
51
#else
52
	float y1f(x)			/* wrapper y1f */
53
	float x;
54
#endif
55
{
56
#ifdef _IEEE_LIBM
57
	return __ieee754_y1f(x);
58
#else
59
	float z;
60
	z = __ieee754_y1f(x);
61
	if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z;
62
        if(x <= (float)0.0){
63
                if(x==(float)0.0)
64
                    /* d= -one/(x-x); */
65
                    return (float)__kernel_standard((double)x,(double)x,110);
66
                else
67
                    /* d = zero/(x-x); */
68
                    return (float)__kernel_standard((double)x,(double)x,111);
69
        }
70
	if(x>(float)X_TLOSS) {
71
		/* y1(x>X_TLOSS) */
72
	        return (float)__kernel_standard((double)x,(double)x,137);
73
	} else
74
	    return z;
75
#endif
76
}