1
2/* @(#)w_asin.c 1.3 95/01/18 */
3/*
4 * ====================================================
5 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 *
7 * Developed at SunSoft, a Sun Microsystems, Inc. business.
8 * Permission to use, copy, modify, and distribute this
9 * software is freely granted, provided that this notice
10 * is preserved.
11 * ====================================================
12 *
13 */
14
15/*
16 * wrapper ieee_asin(x)
17 */
18
19
20#include "fdlibm.h"
21
22
23#ifdef __STDC__
24	double ieee_asin(double x)		/* wrapper asin */
25#else
26	double ieee_asin(x)			/* wrapper asin */
27	double x;
28#endif
29{
30#ifdef _IEEE_LIBM
31	return __ieee754_asin(x);
32#else
33	double z;
34	z = __ieee754_asin(x);
35	if(_LIB_VERSION == _IEEE_ || ieee_isnan(x)) return z;
36	if(ieee_fabs(x)>1.0) {
37	        return __kernel_standard(x,x,2); /* ieee_asin(|x|>1) */
38	} else
39	    return z;
40#endif
41}
42