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/*

 * ====================================================

 * 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.

 * ====================================================

 */

FUNCTION

       <>, <>---absolute value (magnitude)

INDEX

	fabs

INDEX

	fabsf

	#include 

       double fabs(double <[x]>);

       float fabsf(float <[x]>);

	#include 

       double fabs(<[x]>)

       double <[x]>;

       float <[x]>;

<> and <> calculate

@tex

$|x|$,

@end tex

the absolute value (magnitude) of the argument <[x]>, by direct

manipulation of the bit representation of <[x]>.

The calculated value is returned.  No errors are detected.

<> is ANSI.

<> is an extension.

 * fabs(x) returns the absolute value of x.

 */

	double fabs(double x)

#else

	double fabs(x)

	double x;

#endif

{

	__uint32_t high;

	GET_HIGH_WORD(high,x);

	SET_HIGH_WORD(x,high&0x7fffffff);

        return x;

}