/*--------------------------------------------------------------------

 *© Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 *--------------------------------------------------------------------

*/

/* e_scalbf.c -- float version of e_scalb.c.

 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.

 */

/*

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

 * 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 __SYMBIAN32__

#ifndef lint

static char rcsid[] = "$FreeBSD: src/lib/msun/src/e_scalbf.c,v 1.9 2004/07/09 10:01:10 das Exp $";

#endif

#endif //__SYMBIAN32__

#include <math.h>

#include "math_private.h"

#ifdef _SCALB_INT

EXPORT_C float

 __ieee754_scalbf(float x, int fn)

#else

EXPORT_C float

__ieee754_scalbf(float x, float fn)

#endif

{

#ifdef _SCALB_INT

	return scalbnf(x,fn);

#else

	if (isnan(x)||isnan(fn)) return x*fn;

	if (!finitef(fn)) {

	    if(fn>(float)0.0) return x*fn;

	    else       return x/(-fn);

	}

	if (rintf(fn)!=fn) return (fn-fn)/(fn-fn);

	if ( fn > (float)65000.0) return scalbnf(x, 65000);

	if (-fn > (float)65000.0) return scalbnf(x,-65000);

	return scalbnf(x,(int)fn);

#endif

}