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      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 #include <sys/cdefs.h>
     14 #if defined(LIBM_SCCS) && !defined(lint)
     15 __RCSID("$NetBSD: s_fabs.c,v 1.11 2013/11/29 22:16:10 joerg Exp $");
     16 #endif
     17 
     18 /*
     19  * fabs(x) returns the absolute value of x.
     20  */
     21 
     22 #include "math.h"
     23 #include "math_private.h"
     24 
     25 #ifndef __HAVE_LONG_DOUBLE
     26 __strong_alias(fabsl, fabs)
     27 #endif
     28 
     29 double
     30 fabs(double x)
     31 {
     32 	u_int32_t high;
     33 	GET_HIGH_WORD(high,x);
     34 	SET_HIGH_WORD(x,high&0x7fffffff);
     35         return x;
     36 }
     37