1 /* @(#)s_ldexp.c 5.1 93/09/24 */
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $";
18 #include "math_private.h"
23 double ldexp(double value, int exp)
25 double ldexp(value, exp)
26 double value; int exp;
29 if(!isfinite(value)||value==0.0) return value;
30 value = scalbn(value,exp);
31 if(!isfinite(value)||value==0.0) errno = ERANGE;
34 libm_hidden_def(ldexp)