/* sf_ldexp.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.
* ====================================================
*/
#include "fdlibm.h"
#include <errno.h>
#ifdef __STDC__
float ldexpf
(float value
, int exp)
#else
#endif
{
if(!finitef(value)||value==(float)0.0) return value;
value
= scalbnf
(value
,exp);
if(!finitef(value)||value==(float)0.0) errno = ERANGE;
return value;
}
#ifdef _DOUBLE_IS_32BITS
#ifdef __STDC__
#else
#endif
{
return (double) ldexpf
((float) value
, exp);
}
#endif /* defined(_DOUBLE_IS_32BITS) */