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       ---
       s_fabs.c (751B)
       ---
            1 /* @(#)s_fabs.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/s_fabs.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
           15 #endif
           16 
           17 /*
           18  * fabs(x) returns the absolute value of x.
           19  */
           20 
           21 #include "math.h"
           22 #include "math_private.h"
           23 
           24 double
           25 fabs(double x)
           26 {
           27         u_int32_t high;
           28         GET_HIGH_WORD(high,x);
           29         SET_HIGH_WORD(x,high&0x7fffffff);
           30         return x;
           31 }