/* @(#)s_ldexp.c 1.3 95/01/18 */

/*

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

 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

 *

 * Developed at SunSoft, a Sun Microsystems, Inc. business.

 * Permission to use, copy, modify, and distribute this

 * software is freely granted, provided that this notice 

 * is preserved.

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

 */

#include "fdlibm.h"

#include <errno.h>

#ifdef __STDC__

	double ldexp(double value, int exp)

#else

	double ldexp(value, exp)

	double value; int exp;

#endif

{

	if(!finite(value)||value==0.0) return value;

	value = scalbn(value,exp);

	if(!finite(value)||value==0.0) errno = ERANGE;

	return value;

}