1/* s_ldexpf.c -- float version of s_ldexp.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#if defined(LIBM_SCCS) && !defined(lint)
17static char rcsid[] = "$NetBSD: s_ldexpf.c,v 1.3 1995/05/10 20:47:42 jtc Exp $";
18#endif
19
20#include <math.h>
21#include <math_private.h>
22#include <errno.h>
23
24float __ldexpf(float value, int exp)
25{
26 if(!isfinite(value)||value==(float)0.0) return value + value;
27 value = __scalbnf(value,exp);
28 if(!isfinite(value)||value==(float)0.0) __set_errno (ERANGE);
29 return value;
30}
31weak_alias (__ldexpf, ldexpf)
32weak_alias (__ldexpf, scalbnf)
33