1/* s_ldexp0f.c -- float version of s_ldexp0.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#include <sys/cdefs.h>
17#if defined(LIBM_SCCS) && !defined(lint)
18__RCSID("$NetBSD: s_ldexpf.c,v 1.7 2008/04/25 22:21:53 christos Exp $");
19#endif
20
21#include "namespace.h"
22#include "math.h"
23#include "math_private.h"
24#include <errno.h>
25
26float
27ldexpf(float value, int exp0)
28{
29	if(!finitef(value)||value==(float)0.0) return value;
30	value = scalbnf(value,exp0);
31	if(!finitef(value)||value==(float)0.0) errno = ERANGE;
32	return value;
33}
34