w_asinf.c revision 1.4 
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 1.4 1997/10/09 11:34:04 lukem Exp $");
19#endif
20
21/*
22 * wrapper asinf(x)
23 */
24
25
26#include "math.h"
27#include "math_private.h"
28
29
30#ifdef __STDC__
31	float asinf(float x)		/* wrapper asinf */
32#else
33	float asinf(x)			/* wrapper asinf */
34	float x;
35#endif
36{
37#ifdef _IEEE_LIBM
38	return __ieee754_asinf(x);
39#else
40	float z;
41	z = __ieee754_asinf(x);
42	if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
43	if(fabsf(x)>(float)1.0) {
44	    /* asinf(|x|>1) */
45	    return (float)__kernel_standard((double)x,(double)x,102);
46	} else
47	    return z;
48#endif
49}
50