36 lines
738 B
C
36 lines
738 B
C
/* @(#)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[] = "$Id$";
|
|
#endif
|
|
|
|
/*
|
|
* fabs(x) returns the absolute value of x.
|
|
*/
|
|
|
|
#include "math.h"
|
|
#include "math_private.h"
|
|
|
|
#ifdef __STDC__
|
|
double fabs(double x)
|
|
#else
|
|
double fabs(x)
|
|
double x;
|
|
#endif
|
|
{
|
|
u_int32_t high;
|
|
GET_HIGH_WORD(high,x);
|
|
SET_HIGH_WORD(x,high&0x7fffffff);
|
|
return x;
|
|
}
|