w_asin.c - vx32 - Local 9vx git repository for patches.
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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 }