1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* s_ldexpf.c -- float version of s_ldexp.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* 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.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_ldexpf.c,v 1.3 1995/05/10 20:47:42 jtc Exp $";
#endif
#include <math.h>
#include <math_private.h>
#include <errno.h>
float __ldexpf(float value, int exp)
{
if(!isfinite(value)||value==(float)0.0) return value;
value = __scalbnf(value,exp);
if(!isfinite(value)||value==(float)0.0) __set_errno (ERANGE);
return value;
}
weak_alias (__ldexpf, ldexpf)
weak_alias (__ldexpf, scalbnf)
|
