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/* @(#)s_ldexp.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: s_ldexp.c,v 1.2 1995/05/30 05:49:51 rgrimes Exp $";
#endif
#include "math.h"
#include "math_private.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
;
}