xref: /netbsd/lib/libm/src/w_asinf.c (revision bf9ec67e)
1 /* w_asinf.c -- float version of w_asin.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
11  * software is freely granted, provided that this notice
12  * is preserved.
13  * ====================================================
14  */
15 
16 #include <sys/cdefs.h>
17 #if defined(LIBM_SCCS) && !defined(lint)
18 __RCSID("$NetBSD: w_asinf.c,v 1.6 2002/05/26 22:01:59 wiz Exp $");
19 #endif
20 
21 /*
22  * wrapper asinf(x)
23  */
24 
25 
26 #include "math.h"
27 #include "math_private.h"
28 
29 
30 float
31 asinf(float x)		/* wrapper asinf */
32 {
33 #ifdef _IEEE_LIBM
34 	return __ieee754_asinf(x);
35 #else
36 	float z;
37 	z = __ieee754_asinf(x);
38 	if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
39 	if(fabsf(x)>(float)1.0) {
40 	    /* asinf(|x|>1) */
41 	    return (float)__kernel_standard((double)x,(double)x,102);
42 	} else
43 	    return z;
44 #endif
45 }
46