1/* @(#)s_ldexp.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
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
9 * is preserved.
10 * ====================================================
11 */
12
13#if defined(LIBM_SCCS) && !defined(lint)
14static char rcsid[] = "$NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $";
15#endif
16
17#include "math.h"
18#include "math_private.h"
19#include <errno.h>
20
21#ifdef __STDC__
22	double __ldexp(double value, int exp)
23#else
24	double __ldexp(value, exp)
25	double value; int exp;
26#endif
27{
28	if(!__finite(value)||value==0.0) return value;
29	value = __scalbn(value,exp);
30	if(!__finite(value)||value==0.0) __set_errno (ERANGE);
31	return value;
32}
33weak_alias (__ldexp, ldexp)
34#ifdef NO_LONG_DOUBLE
35strong_alias (__ldexp, __ldexpl)
36weak_alias (__ldexp, ldexpl)
37#endif
38