w_asinf.c revision 1.7 
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 1.7 2007/08/20 16:01:39 drochner Exp $");
19#endif
20
21/*
22 * wrapper asinf(x)
23 */
24
25#include "namespace.h"
26#include "math.h"
27#include "math_private.h"
28
29#ifdef __weak_alias
30__weak_alias(asinf, _asinf)
31#endif
32
33float
34asinf(float x)		/* wrapper asinf */
35{
36#ifdef _IEEE_LIBM
37	return __ieee754_asinf(x);
38#else
39	float z;
40	z = __ieee754_asinf(x);
41	if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
42	if(fabsf(x)>(float)1.0) {
43	    /* asinf(|x|>1) */
44	    return (float)__kernel_standard((double)x,(double)x,102);
45	} else
46	    return z;
47#endif
48}
49