w_asinf.c revision 1.6 
1272343Sngie/* w_asinf.c -- float version of w_asin.c.
2272343Sngie * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3272343Sngie */
4272343Sngie
5272343Sngie/*
6272343Sngie * ====================================================
7272343Sngie * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8272343Sngie *
9272343Sngie * Developed at SunPro, a Sun Microsystems, Inc. business.
10272343Sngie * Permission to use, copy, modify, and distribute this
11272343Sngie * software is freely granted, provided that this notice
12272343Sngie * is preserved.
13272343Sngie * ====================================================
14272343Sngie */
15272343Sngie
16272343Sngie#include <sys/cdefs.h>
17272343Sngie#if defined(LIBM_SCCS) && !defined(lint)
18272343Sngie__RCSID("$NetBSD: w_asinf.c,v 1.6 2002/05/26 22:01:59 wiz Exp $");
19272343Sngie#endif
20272343Sngie
21272343Sngie/*
22272343Sngie * wrapper asinf(x)
23272343Sngie */
24272343Sngie
25272343Sngie
26272343Sngie#include "math.h"
27272343Sngie#include "math_private.h"
28272343Sngie
29272343Sngie
30272343Sngiefloat
31272343Sngieasinf(float x)		/* wrapper asinf */
32272343Sngie{
33272343Sngie#ifdef _IEEE_LIBM
34272343Sngie	return __ieee754_asinf(x);
35272343Sngie#else
36272343Sngie	float z;
37272343Sngie	z = __ieee754_asinf(x);
38272343Sngie	if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
39272343Sngie	if(fabsf(x)>(float)1.0) {
40272343Sngie	    /* asinf(|x|>1) */
41272343Sngie	    return (float)__kernel_standard((double)x,(double)x,102);
42272343Sngie	} else
43272343Sngie	    return z;
44272343Sngie#endif
45272343Sngie}
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