w_sqrtf.c - vx32 - Local 9vx git repository for patches.
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       ---
       w_sqrtf.c (1024B)
       ---
            1 /* w_sqrtf.c -- float version of w_sqrt.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_sqrtf.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
           18 #endif
           19 
           20 /*
           21  * wrapper sqrtf(x)
           22  */
           23 
           24 #include "math.h"
           25 #include "math_private.h"
           26 
           27 float
           28 sqrtf(float x)                /* wrapper sqrtf */
           29 {
           30 #ifdef _IEEE_LIBM
           31         return __ieee754_sqrtf(x);
           32 #else
           33         float z;
           34         z = __ieee754_sqrtf(x);
           35         if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
           36         if(x<(float)0.0) {
           37             /* sqrtf(negative) */
           38             return (float)__kernel_standard((double)x,(double)x,126);
           39         } else
           40             return z;
           41 #endif
           42 }