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       ---
       w_asinf.c (1030B)
       ---
            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 #ifndef lint
           17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_asinf.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
           18 #endif
           19 
           20 /*
           21  * wrapper asinf(x)
           22  */
           23 
           24 
           25 #include "math.h"
           26 #include "math_private.h"
           27 
           28 
           29 float
           30 asinf(float x)                /* wrapper asinf */
           31 {
           32 #ifdef _IEEE_LIBM
           33         return __ieee754_asinf(x);
           34 #else
           35         float z;
           36         z = __ieee754_asinf(x);
           37         if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
           38         if(fabsf(x)>(float)1.0) {
           39             /* asinf(|x|>1) */
           40             return (float)__kernel_standard((double)x,(double)x,102);
           41         } else
           42             return z;
           43 #endif
           44 }