Subversion Repositories shark

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 pj 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
#ifndef lint
17
static char rcsid[] = "$\Id: s_ldexpf.c,v 1.2 1995/05/30 05:49:53 rgrimes Exp $";
18
#endif
19
 
20
#include "math.h"
21
#include "math_private.h"
22
#include <errno.h>
23
 
24
#ifdef __STDC__
25
        float ldexpf(float value, int exp)
26
#else
27
        float ldexpf(value, exp)
28
        float value; int exp;
29
#endif
30
{
31
        if(!finitef(value)||value==(float)0.0) return value;
32
        value = scalbnf(value,exp);
33
        if(!finitef(value)||value==(float)0.0) errno = ERANGE;
34
        return value;
35
}