vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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w_asin.c (899B)

      1 /* @(#)w_asin.c 5.1 93/09/24 */
      2 /*
      3  * ====================================================
      4  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
      5  *
      6  * Developed at SunPro, a Sun Microsystems, Inc. business.
      7  * Permission to use, copy, modify, and distribute this
      8  * software is freely granted, provided that this notice
      9  * is preserved.
     10  * ====================================================
     11  */
     12 
     13 #ifndef lint
     14 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_asin.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
     15 #endif
     16 
     17 /*
     18  * wrapper asin(x)
     19  */
     20 
     21 
     22 #include "math.h"
     23 #include "math_private.h"
     24 
     25 
     26 double
     27 asin(double x)		/* wrapper asin */
     28 {
     29 #ifdef _IEEE_LIBM
     30 	return __ieee754_asin(x);
     31 #else
     32 	double z;
     33 	z = __ieee754_asin(x);
     34 	if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
     35 	if(fabs(x)>1.0) {
     36 	        return __kernel_standard(x,x,2); /* asin(|x|>1) */
     37 	} else
     38 	    return z;
     39 #endif
     40 }