2011-08-12 21:01:25 +02:00
|
|
|
/* @(#)s_fabs.c 5.1 93/09/24 */
|
|
|
|
|
/*
|
|
|
|
|
* ====================================================
|
|
|
|
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
|
|
|
|
* Permission to use, copy, modify, and distribute this
|
|
|
|
|
* software is freely granted, provided that this notice
|
|
|
|
|
* is preserved.
|
|
|
|
|
* ====================================================
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef lint
|
|
|
|
|
static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_fabs.c,v 1.7 2002/05/28 18:15:04 alfred Exp $";
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* fabs(x) returns the absolute value of x.
|
|
|
|
|
*/
|
|
|
|
|
|
2011-12-15 06:59:35 +01:00
|
|
|
#include "math.h"
|
2011-08-12 21:01:25 +02:00
|
|
|
#include "math_private.h"
|
|
|
|
|
|
|
|
|
|
double
|
|
|
|
|
fabs(double x)
|
|
|
|
|
{
|
|
|
|
|
u_int32_t high;
|
|
|
|
|
GET_HIGH_WORD(high,x);
|
|
|
|
|
SET_HIGH_WORD(x,high&0x7fffffff);
|
|
|
|
|
return x;
|
|
|
|
|
}
|
